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Finding the Fourth Proportional to 10,722.41, 14,803.83 and 8,737.71

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Solution

The fourth proportional to 10,722.41, 14,803.83 and 8,737.71 is: 12,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.41 : 14,803.83 = 8,737.71 : x
  2. Step 2: Convert to fraction form
    10,722.41/14,803.83 = 8,737.71/x
  3. Step 3: Cross multiply
    10,722.41x = 14,803.83 × 8,737.71
  4. Step 4: Simplify right side
    10,722.41x = 129,351,517.91
  5. Step 5: Solve for x
    x = 129,351,517.91/10,722.41
  6. Step 6: Final answer
    x = 12,063.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.