Home / 12,498.28-17,247.14-6,909.16

Finding the Fourth Proportional to 12,498.28, 17,247.14 and 6,909.16

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Solution

The fourth proportional to 12,498.28, 17,247.14 and 6,909.16 is: 9,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498.28 : 17,247.14 = 6,909.16 : x
  2. Step 2: Convert to fraction form
    12,498.28/17,247.14 = 6,909.16/x
  3. Step 3: Cross multiply
    12,498.28x = 17,247.14 × 6,909.16
  4. Step 4: Simplify right side
    12,498.28x = 119,163,249.80
  5. Step 5: Solve for x
    x = 119,163,249.80/12,498.28
  6. Step 6: Final answer
    x = 9,534.37

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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.