Home / 10,366.30-15,549.45-9,272.80

Finding the Fourth Proportional to 10,366.30, 15,549.45 and 9,272.80

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Solution

The fourth proportional to 10,366.30, 15,549.45 and 9,272.80 is: 13,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.30 : 15,549.45 = 9,272.80 : x
  2. Step 2: Convert to fraction form
    10,366.30/15,549.45 = 9,272.80/x
  3. Step 3: Cross multiply
    10,366.30x = 15,549.45 × 9,272.80
  4. Step 4: Simplify right side
    10,366.30x = 144,186,939.96
  5. Step 5: Solve for x
    x = 144,186,939.96/10,366.30
  6. Step 6: Final answer
    x = 13,909.20

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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.