Home / 10,772.64-16,158.98-2,981.48

Finding the Fourth Proportional to 10,772.64, 16,158.98 and 2,981.48

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Solution

The fourth proportional to 10,772.64, 16,158.98 and 2,981.48 is: 4,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.64 : 16,158.98 = 2,981.48 : x
  2. Step 2: Convert to fraction form
    10,772.64/16,158.98 = 2,981.48/x
  3. Step 3: Cross multiply
    10,772.64x = 16,158.98 × 2,981.48
  4. Step 4: Simplify right side
    10,772.64x = 48,177,675.69
  5. Step 5: Solve for x
    x = 48,177,675.69/10,772.64
  6. Step 6: Final answer
    x = 4,472.23

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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.