Home / 12,530.88-17,293.18-7,154.77

Finding the Fourth Proportional to 12,530.88, 17,293.18 and 7,154.77

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Solution

The fourth proportional to 12,530.88, 17,293.18 and 7,154.77 is: 9,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.88 : 17,293.18 = 7,154.77 : x
  2. Step 2: Convert to fraction form
    12,530.88/17,293.18 = 7,154.77/x
  3. Step 3: Cross multiply
    12,530.88x = 17,293.18 × 7,154.77
  4. Step 4: Simplify right side
    12,530.88x = 123,728,691.18
  5. Step 5: Solve for x
    x = 123,728,691.18/12,530.88
  6. Step 6: Final answer
    x = 9,873.91

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Half scale
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Double scale
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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.