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Finding the Fourth Proportional to 10,660.78, 14,711.88 and 5,944.96

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Solution

The fourth proportional to 10,660.78, 14,711.88 and 5,944.96 is: 8,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.78 : 14,711.88 = 5,944.96 : x
  2. Step 2: Convert to fraction form
    10,660.78/14,711.88 = 5,944.96/x
  3. Step 3: Cross multiply
    10,660.78x = 14,711.88 × 5,944.96
  4. Step 4: Simplify right side
    10,660.78x = 87,461,545.37
  5. Step 5: Solve for x
    x = 87,461,545.37/10,660.78
  6. Step 6: Final answer
    x = 8,204.05

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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.