Home / 19,276.10-28,892.55-8,180.90

Finding the Fourth Proportional to 19,276.10, 28,892.55 and 8,180.90

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Solution

The fourth proportional to 19,276.10, 28,892.55 and 8,180.90 is: 12,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.10 : 28,892.55 = 8,180.90 : x
  2. Step 2: Convert to fraction form
    19,276.10/28,892.55 = 8,180.90/x
  3. Step 3: Cross multiply
    19,276.10x = 28,892.55 × 8,180.90
  4. Step 4: Simplify right side
    19,276.10x = 236,367,062.30
  5. Step 5: Solve for x
    x = 236,367,062.30/19,276.10
  6. Step 6: Final answer
    x = 12,262.18

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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.