Home / 13,432.60-20,141.02-4,069.80

Finding the Fourth Proportional to 13,432.60, 20,141.02 and 4,069.80

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Solution

The fourth proportional to 13,432.60, 20,141.02 and 4,069.80 is: 6,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.60 : 20,141.02 = 4,069.80 : x
  2. Step 2: Convert to fraction form
    13,432.60/20,141.02 = 4,069.80/x
  3. Step 3: Cross multiply
    13,432.60x = 20,141.02 × 4,069.80
  4. Step 4: Simplify right side
    13,432.60x = 81,969,923.20
  5. Step 5: Solve for x
    x = 81,969,923.20/13,432.60
  6. Step 6: Final answer
    x = 6,102.31

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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.