Home / 10,311.71-15,467.55-3,737.90

Finding the Fourth Proportional to 10,311.71, 15,467.55 and 3,737.90

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Solution

The fourth proportional to 10,311.71, 15,467.55 and 3,737.90 is: 5,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.71 : 15,467.55 = 3,737.90 : x
  2. Step 2: Convert to fraction form
    10,311.71/15,467.55 = 3,737.90/x
  3. Step 3: Cross multiply
    10,311.71x = 15,467.55 × 3,737.90
  4. Step 4: Simplify right side
    10,311.71x = 57,816,091.82
  5. Step 5: Solve for x
    x = 57,816,091.82/10,311.71
  6. Step 6: Final answer
    x = 5,606.84

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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.