Home / 14,577.13-20,120.08-8,293.15

Finding the Fourth Proportional to 14,577.13, 20,120.08 and 8,293.15

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Solution

The fourth proportional to 14,577.13, 20,120.08 and 8,293.15 is: 11,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.13 : 20,120.08 = 8,293.15 : x
  2. Step 2: Convert to fraction form
    14,577.13/20,120.08 = 8,293.15/x
  3. Step 3: Cross multiply
    14,577.13x = 20,120.08 × 8,293.15
  4. Step 4: Simplify right side
    14,577.13x = 166,858,740.85
  5. Step 5: Solve for x
    x = 166,858,740.85/14,577.13
  6. Step 6: Final answer
    x = 11,446.62

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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.