Home / 10,951.20-16,426.80-3,555.90

Finding the Fourth Proportional to 10,951.20, 16,426.80 and 3,555.90

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Solution

The fourth proportional to 10,951.20, 16,426.80 and 3,555.90 is: 5,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.20 : 16,426.80 = 3,555.90 : x
  2. Step 2: Convert to fraction form
    10,951.20/16,426.80 = 3,555.90/x
  3. Step 3: Cross multiply
    10,951.20x = 16,426.80 × 3,555.90
  4. Step 4: Simplify right side
    10,951.20x = 58,412,058.12
  5. Step 5: Solve for x
    x = 58,412,058.12/10,951.20
  6. Step 6: Final answer
    x = 5,333.85

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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.