Home / 13,258.53-19,887.33-3,397.90

Finding the Fourth Proportional to 13,258.53, 19,887.33 and 3,397.90

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Solution

The fourth proportional to 13,258.53, 19,887.33 and 3,397.90 is: 5,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.53 : 19,887.33 = 3,397.90 : x
  2. Step 2: Convert to fraction form
    13,258.53/19,887.33 = 3,397.90/x
  3. Step 3: Cross multiply
    13,258.53x = 19,887.33 × 3,397.90
  4. Step 4: Simplify right side
    13,258.53x = 67,575,158.61
  5. Step 5: Solve for x
    x = 67,575,158.61/13,258.53
  6. Step 6: Final answer
    x = 5,096.73

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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.