Home / 21,233.18-29,251.14-14,847.84

Finding the Fourth Proportional to 21,233.18, 29,251.14 and 14,847.84

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Solution

The fourth proportional to 21,233.18, 29,251.14 and 14,847.84 is: 20,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.18 : 29,251.14 = 14,847.84 : x
  2. Step 2: Convert to fraction form
    21,233.18/29,251.14 = 14,847.84/x
  3. Step 3: Cross multiply
    21,233.18x = 29,251.14 × 14,847.84
  4. Step 4: Simplify right side
    21,233.18x = 434,316,246.54
  5. Step 5: Solve for x
    x = 434,316,246.54/21,233.18
  6. Step 6: Final answer
    x = 20,454.60

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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.