Home / 12,527.16-18,761.85-8,995.20

Finding the Fourth Proportional to 12,527.16, 18,761.85 and 8,995.20

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Solution

The fourth proportional to 12,527.16, 18,761.85 and 8,995.20 is: 13,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.16 : 18,761.85 = 8,995.20 : x
  2. Step 2: Convert to fraction form
    12,527.16/18,761.85 = 8,995.20/x
  3. Step 3: Cross multiply
    12,527.16x = 18,761.85 × 8,995.20
  4. Step 4: Simplify right side
    12,527.16x = 168,766,593.12
  5. Step 5: Solve for x
    x = 168,766,593.12/12,527.16
  6. Step 6: Final answer
    x = 13,472.06

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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.