Home / 14,687.35-21,989.10-9,747.16

Finding the Fourth Proportional to 14,687.35, 21,989.10 and 9,747.16

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Solution

The fourth proportional to 14,687.35, 21,989.10 and 9,747.16 is: 14,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687.35 : 21,989.10 = 9,747.16 : x
  2. Step 2: Convert to fraction form
    14,687.35/21,989.10 = 9,747.16/x
  3. Step 3: Cross multiply
    14,687.35x = 21,989.10 × 9,747.16
  4. Step 4: Simplify right side
    14,687.35x = 214,331,275.96
  5. Step 5: Solve for x
    x = 214,331,275.96/14,687.35
  6. Step 6: Final answer
    x = 14,592.92

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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.