Home / 10,377.13-15,565.83-3,451.63

Finding the Fourth Proportional to 10,377.13, 15,565.83 and 3,451.63

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Solution

The fourth proportional to 10,377.13, 15,565.83 and 3,451.63 is: 5,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.13 : 15,565.83 = 3,451.63 : x
  2. Step 2: Convert to fraction form
    10,377.13/15,565.83 = 3,451.63/x
  3. Step 3: Cross multiply
    10,377.13x = 15,565.83 × 3,451.63
  4. Step 4: Simplify right side
    10,377.13x = 53,727,485.80
  5. Step 5: Solve for x
    x = 53,727,485.80/10,377.13
  6. Step 6: Final answer
    x = 5,177.49

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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.