Home / 13,432.26-20,137.65-6,765.15

Finding the Fourth Proportional to 13,432.26, 20,137.65 and 6,765.15

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Solution

The fourth proportional to 13,432.26, 20,137.65 and 6,765.15 is: 10,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.26 : 20,137.65 = 6,765.15 : x
  2. Step 2: Convert to fraction form
    13,432.26/20,137.65 = 6,765.15/x
  3. Step 3: Cross multiply
    13,432.26x = 20,137.65 × 6,765.15
  4. Step 4: Simplify right side
    13,432.26x = 136,234,222.90
  5. Step 5: Solve for x
    x = 136,234,222.90/13,432.26
  6. Step 6: Final answer
    x = 10,142.32

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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.