Home / 25,016.88-34,522.05-13,686.60

Finding the Fourth Proportional to 25,016.88, 34,522.05 and 13,686.60

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Solution

The fourth proportional to 25,016.88, 34,522.05 and 13,686.60 is: 18,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,016.88 : 34,522.05 = 13,686.60 : x
  2. Step 2: Convert to fraction form
    25,016.88/34,522.05 = 13,686.60/x
  3. Step 3: Cross multiply
    25,016.88x = 34,522.05 × 13,686.60
  4. Step 4: Simplify right side
    25,016.88x = 472,489,489.53
  5. Step 5: Solve for x
    x = 472,489,489.53/25,016.88
  6. Step 6: Final answer
    x = 18,886.83

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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.