Home / 21,016.14-29,001.08-12,527.85

Finding the Fourth Proportional to 21,016.14, 29,001.08 and 12,527.85

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Solution

The fourth proportional to 21,016.14, 29,001.08 and 12,527.85 is: 17,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,016.14 : 29,001.08 = 12,527.85 : x
  2. Step 2: Convert to fraction form
    21,016.14/29,001.08 = 12,527.85/x
  3. Step 3: Cross multiply
    21,016.14x = 29,001.08 × 12,527.85
  4. Step 4: Simplify right side
    21,016.14x = 363,321,211.40
  5. Step 5: Solve for x
    x = 363,321,211.40/21,016.14
  6. Step 6: Final answer
    x = 17,287.72

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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.