Home / 15,234.28-21,023.55-8,519.18

Finding the Fourth Proportional to 15,234.28, 21,023.55 and 8,519.18

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Solution

The fourth proportional to 15,234.28, 21,023.55 and 8,519.18 is: 11,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234.28 : 21,023.55 = 8,519.18 : x
  2. Step 2: Convert to fraction form
    15,234.28/21,023.55 = 8,519.18/x
  3. Step 3: Cross multiply
    15,234.28x = 21,023.55 × 8,519.18
  4. Step 4: Simplify right side
    15,234.28x = 179,103,301.57
  5. Step 5: Solve for x
    x = 179,103,301.57/15,234.28
  6. Step 6: Final answer
    x = 11,756.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.