Home / 15,387.20-23,077.76-7,591.04

Finding the Fourth Proportional to 15,387.20, 23,077.76 and 7,591.04

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Solution

The fourth proportional to 15,387.20, 23,077.76 and 7,591.04 is: 11,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387.20 : 23,077.76 = 7,591.04 : x
  2. Step 2: Convert to fraction form
    15,387.20/23,077.76 = 7,591.04/x
  3. Step 3: Cross multiply
    15,387.20x = 23,077.76 × 7,591.04
  4. Step 4: Simplify right side
    15,387.20x = 175,184,199.27
  5. Step 5: Solve for x
    x = 175,184,199.27/15,387.20
  6. Step 6: Final answer
    x = 11,385.06

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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.