Home / 8,132.10-12,188.55-6,077.70

Finding the Fourth Proportional to 8,132.10, 12,188.55 and 6,077.70

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Solution

The fourth proportional to 8,132.10, 12,188.55 and 6,077.70 is: 9,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.10 : 12,188.55 = 6,077.70 : x
  2. Step 2: Convert to fraction form
    8,132.10/12,188.55 = 6,077.70/x
  3. Step 3: Cross multiply
    8,132.10x = 12,188.55 × 6,077.70
  4. Step 4: Simplify right side
    8,132.10x = 74,078,350.34
  5. Step 5: Solve for x
    x = 74,078,350.34/8,132.10
  6. Step 6: Final answer
    x = 9,109.38

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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.