Home / 15,727.78-23,552.22-9,398.76

Finding the Fourth Proportional to 15,727.78, 23,552.22 and 9,398.76

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Solution

The fourth proportional to 15,727.78, 23,552.22 and 9,398.76 is: 14,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.78 : 23,552.22 = 9,398.76 : x
  2. Step 2: Convert to fraction form
    15,727.78/23,552.22 = 9,398.76/x
  3. Step 3: Cross multiply
    15,727.78x = 23,552.22 × 9,398.76
  4. Step 4: Simplify right side
    15,727.78x = 221,361,557.30
  5. Step 5: Solve for x
    x = 221,361,557.30/15,727.78
  6. Step 6: Final answer
    x = 14,074.56

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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.