Home / 15,907.19-21,950.93-9,191.73

Finding the Fourth Proportional to 15,907.19, 21,950.93 and 9,191.73

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Solution

The fourth proportional to 15,907.19, 21,950.93 and 9,191.73 is: 12,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.19 : 21,950.93 = 9,191.73 : x
  2. Step 2: Convert to fraction form
    15,907.19/21,950.93 = 9,191.73/x
  3. Step 3: Cross multiply
    15,907.19x = 21,950.93 × 9,191.73
  4. Step 4: Simplify right side
    15,907.19x = 201,767,021.81
  5. Step 5: Solve for x
    x = 201,767,021.81/15,907.19
  6. Step 6: Final answer
    x = 12,684.01

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Double scale
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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.