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Finding the Fourth Proportional to 14,863.72, 22,299.30 and 10,489.72

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Solution

The fourth proportional to 14,863.72, 22,299.30 and 10,489.72 is: 15,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.72 : 22,299.30 = 10,489.72 : x
  2. Step 2: Convert to fraction form
    14,863.72/22,299.30 = 10,489.72/x
  3. Step 3: Cross multiply
    14,863.72x = 22,299.30 × 10,489.72
  4. Step 4: Simplify right side
    14,863.72x = 233,913,413.20
  5. Step 5: Solve for x
    x = 233,913,413.20/14,863.72
  6. Step 6: Final answer
    x = 15,737.21

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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.