Home / 15,342.74-21,233.85-14,974.73

Finding the Fourth Proportional to 15,342.74, 21,233.85 and 14,974.73

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Solution

The fourth proportional to 15,342.74, 21,233.85 and 14,974.73 is: 20,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.74 : 21,233.85 = 14,974.73 : x
  2. Step 2: Convert to fraction form
    15,342.74/21,233.85 = 14,974.73/x
  3. Step 3: Cross multiply
    15,342.74x = 21,233.85 × 14,974.73
  4. Step 4: Simplify right side
    15,342.74x = 317,971,170.61
  5. Step 5: Solve for x
    x = 317,971,170.61/15,342.74
  6. Step 6: Final answer
    x = 20,724.54

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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.