Home / 11,437.12-17,155.64-7,513.16

Finding the Fourth Proportional to 11,437.12, 17,155.64 and 7,513.16

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Solution

The fourth proportional to 11,437.12, 17,155.64 and 7,513.16 is: 11,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.12 : 17,155.64 = 7,513.16 : x
  2. Step 2: Convert to fraction form
    11,437.12/17,155.64 = 7,513.16/x
  3. Step 3: Cross multiply
    11,437.12x = 17,155.64 × 7,513.16
  4. Step 4: Simplify right side
    11,437.12x = 128,893,068.22
  5. Step 5: Solve for x
    x = 128,893,068.22/11,437.12
  6. Step 6: Final answer
    x = 11,269.71

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.