Home / 14,487.28-21,737.12-9,812.56

Finding the Fourth Proportional to 14,487.28, 21,737.12 and 9,812.56

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Solution

The fourth proportional to 14,487.28, 21,737.12 and 9,812.56 is: 14,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.28 : 21,737.12 = 9,812.56 : x
  2. Step 2: Convert to fraction form
    14,487.28/21,737.12 = 9,812.56/x
  3. Step 3: Cross multiply
    14,487.28x = 21,737.12 × 9,812.56
  4. Step 4: Simplify right side
    14,487.28x = 213,296,794.23
  5. Step 5: Solve for x
    x = 213,296,794.23/14,487.28
  6. Step 6: Final answer
    x = 14,723.04

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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.