Home / 42,170.38-63,255.57-11,005.36

Finding the Fourth Proportional to 42,170.38, 63,255.57 and 11,005.36

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Solution

The fourth proportional to 42,170.38, 63,255.57 and 11,005.36 is: 16,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170.38 : 63,255.57 = 11,005.36 : x
  2. Step 2: Convert to fraction form
    42,170.38/63,255.57 = 11,005.36/x
  3. Step 3: Cross multiply
    42,170.38x = 63,255.57 × 11,005.36
  4. Step 4: Simplify right side
    42,170.38x = 696,150,319.86
  5. Step 5: Solve for x
    x = 696,150,319.86/42,170.38
  6. Step 6: Final answer
    x = 16,508.04

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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.