Home / 10,132.77-15,149.25-8,590.05

Finding the Fourth Proportional to 10,132.77, 15,149.25 and 8,590.05

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Solution

The fourth proportional to 10,132.77, 15,149.25 and 8,590.05 is: 12,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.77 : 15,149.25 = 8,590.05 : x
  2. Step 2: Convert to fraction form
    10,132.77/15,149.25 = 8,590.05/x
  3. Step 3: Cross multiply
    10,132.77x = 15,149.25 × 8,590.05
  4. Step 4: Simplify right side
    10,132.77x = 130,132,814.96
  5. Step 5: Solve for x
    x = 130,132,814.96/10,132.77
  6. Step 6: Final answer
    x = 12,842.77

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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.