Home / 15,283.93-21,096.23-9,906.18

Finding the Fourth Proportional to 15,283.93, 21,096.23 and 9,906.18

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Solution

The fourth proportional to 15,283.93, 21,096.23 and 9,906.18 is: 13,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.93 : 21,096.23 = 9,906.18 : x
  2. Step 2: Convert to fraction form
    15,283.93/21,096.23 = 9,906.18/x
  3. Step 3: Cross multiply
    15,283.93x = 21,096.23 × 9,906.18
  4. Step 4: Simplify right side
    15,283.93x = 208,983,051.70
  5. Step 5: Solve for x
    x = 208,983,051.70/15,283.93
  6. Step 6: Final answer
    x = 13,673.38

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Half scale
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Double scale
Find fourth proportional to 15,284.93, 21,097.61 and 9,907.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.