Home / 21,241.55-31,862.33-9,546.57

Finding the Fourth Proportional to 21,241.55, 31,862.33 and 9,546.57

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Solution

The fourth proportional to 21,241.55, 31,862.33 and 9,546.57 is: 14,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,241.55 : 31,862.33 = 9,546.57 : x
  2. Step 2: Convert to fraction form
    21,241.55/31,862.33 = 9,546.57/x
  3. Step 3: Cross multiply
    21,241.55x = 31,862.33 × 9,546.57
  4. Step 4: Simplify right side
    21,241.55x = 304,175,915.98
  5. Step 5: Solve for x
    x = 304,175,915.98/21,241.55
  6. Step 6: Final answer
    x = 14,319.86

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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.