Home / 14,577.32-20,115.87-8,204.18

Finding the Fourth Proportional to 14,577.32, 20,115.87 and 8,204.18

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Solution

The fourth proportional to 14,577.32, 20,115.87 and 8,204.18 is: 11,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.32 : 20,115.87 = 8,204.18 : x
  2. Step 2: Convert to fraction form
    14,577.32/20,115.87 = 8,204.18/x
  3. Step 3: Cross multiply
    14,577.32x = 20,115.87 × 8,204.18
  4. Step 4: Simplify right side
    14,577.32x = 165,034,208.57
  5. Step 5: Solve for x
    x = 165,034,208.57/14,577.32
  6. Step 6: Final answer
    x = 11,321.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.