Home / 13,531.60-20,306.40-4,766.50

Finding the Fourth Proportional to 13,531.60, 20,306.40 and 4,766.50

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Solution

The fourth proportional to 13,531.60, 20,306.40 and 4,766.50 is: 7,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.60 : 20,306.40 = 4,766.50 : x
  2. Step 2: Convert to fraction form
    13,531.60/20,306.40 = 4,766.50/x
  3. Step 3: Cross multiply
    13,531.60x = 20,306.40 × 4,766.50
  4. Step 4: Simplify right side
    13,531.60x = 96,790,455.60
  5. Step 5: Solve for x
    x = 96,790,455.60/13,531.60
  6. Step 6: Final answer
    x = 7,152.92

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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.