Home / 11,338.12-15,646.58-6,302.18

Finding the Fourth Proportional to 11,338.12, 15,646.58 and 6,302.18

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Solution

The fourth proportional to 11,338.12, 15,646.58 and 6,302.18 is: 8,696.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.12 : 15,646.58 = 6,302.18 : x
  2. Step 2: Convert to fraction form
    11,338.12/15,646.58 = 6,302.18/x
  3. Step 3: Cross multiply
    11,338.12x = 15,646.58 × 6,302.18
  4. Step 4: Simplify right side
    11,338.12x = 98,607,563.54
  5. Step 5: Solve for x
    x = 98,607,563.54/11,338.12
  6. Step 6: Final answer
    x = 8,696.99

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Half scale
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Double scale
Find fourth proportional to 11,339.12, 15,647.96 and 6,303.18
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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.