Home / 15,449.30-23,180.85-7,124.85

Finding the Fourth Proportional to 15,449.30, 23,180.85 and 7,124.85

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Solution

The fourth proportional to 15,449.30, 23,180.85 and 7,124.85 is: 10,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.30 : 23,180.85 = 7,124.85 : x
  2. Step 2: Convert to fraction form
    15,449.30/23,180.85 = 7,124.85/x
  3. Step 3: Cross multiply
    15,449.30x = 23,180.85 × 7,124.85
  4. Step 4: Simplify right side
    15,449.30x = 165,160,079.12
  5. Step 5: Solve for x
    x = 165,160,079.12/15,449.30
  6. Step 6: Final answer
    x = 10,690.46

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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.