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Finding the Fourth Proportional to 10,366.60, 14,305.87 and 5,650.87

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Solution

The fourth proportional to 10,366.60, 14,305.87 and 5,650.87 is: 7,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.60 : 14,305.87 = 5,650.87 : x
  2. Step 2: Convert to fraction form
    10,366.60/14,305.87 = 5,650.87/x
  3. Step 3: Cross multiply
    10,366.60x = 14,305.87 × 5,650.87
  4. Step 4: Simplify right side
    10,366.60x = 80,840,611.61
  5. Step 5: Solve for x
    x = 80,840,611.61/10,366.60
  6. Step 6: Final answer
    x = 7,798.18

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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.