Home / 10,451.55-15,677.80-4,126.43

Finding the Fourth Proportional to 10,451.55, 15,677.80 and 4,126.43

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Solution

The fourth proportional to 10,451.55, 15,677.80 and 4,126.43 is: 6,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.55 : 15,677.80 = 4,126.43 : x
  2. Step 2: Convert to fraction form
    10,451.55/15,677.80 = 4,126.43/x
  3. Step 3: Cross multiply
    10,451.55x = 15,677.80 × 4,126.43
  4. Step 4: Simplify right side
    10,451.55x = 64,693,344.25
  5. Step 5: Solve for x
    x = 64,693,344.25/10,451.55
  6. Step 6: Final answer
    x = 6,189.83

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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.