Home / 10,914.71-16,372.06-3,123.52

Finding the Fourth Proportional to 10,914.71, 16,372.06 and 3,123.52

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Solution

The fourth proportional to 10,914.71, 16,372.06 and 3,123.52 is: 4,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.71 : 16,372.06 = 3,123.52 : x
  2. Step 2: Convert to fraction form
    10,914.71/16,372.06 = 3,123.52/x
  3. Step 3: Cross multiply
    10,914.71x = 16,372.06 × 3,123.52
  4. Step 4: Simplify right side
    10,914.71x = 51,138,456.85
  5. Step 5: Solve for x
    x = 51,138,456.85/10,914.71
  6. Step 6: Final answer
    x = 4,685.28

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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.