Home / 15,921.56-23,882.88-4,234.79

Finding the Fourth Proportional to 15,921.56, 23,882.88 and 4,234.79

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Solution

The fourth proportional to 15,921.56, 23,882.88 and 4,234.79 is: 6,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.56 : 23,882.88 = 4,234.79 : x
  2. Step 2: Convert to fraction form
    15,921.56/23,882.88 = 4,234.79/x
  3. Step 3: Cross multiply
    15,921.56x = 23,882.88 × 4,234.79
  4. Step 4: Simplify right side
    15,921.56x = 101,138,981.40
  5. Step 5: Solve for x
    x = 101,138,981.40/15,921.56
  6. Step 6: Final answer
    x = 6,352.33

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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.