Home / 11,587.86-17,387.64-4,572.90

Finding the Fourth Proportional to 11,587.86, 17,387.64 and 4,572.90

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Solution

The fourth proportional to 11,587.86, 17,387.64 and 4,572.90 is: 6,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.86 : 17,387.64 = 4,572.90 : x
  2. Step 2: Convert to fraction form
    11,587.86/17,387.64 = 4,572.90/x
  3. Step 3: Cross multiply
    11,587.86x = 17,387.64 × 4,572.90
  4. Step 4: Simplify right side
    11,587.86x = 79,511,938.96
  5. Step 5: Solve for x
    x = 79,511,938.96/11,587.86
  6. Step 6: Final answer
    x = 6,861.66

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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.