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Finding the Fourth Proportional to 10,377.66, 15,529.95 and 8,934.24

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Solution

The fourth proportional to 10,377.66, 15,529.95 and 8,934.24 is: 13,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.66 : 15,529.95 = 8,934.24 : x
  2. Step 2: Convert to fraction form
    10,377.66/15,529.95 = 8,934.24/x
  3. Step 3: Cross multiply
    10,377.66x = 15,529.95 × 8,934.24
  4. Step 4: Simplify right side
    10,377.66x = 138,748,300.49
  5. Step 5: Solve for x
    x = 138,748,300.49/10,377.66
  6. Step 6: Final answer
    x = 13,369.90

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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.