Home / 18,073.12-24,940.65-10,115.26

Finding the Fourth Proportional to 18,073.12, 24,940.65 and 10,115.26

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Solution

The fourth proportional to 18,073.12, 24,940.65 and 10,115.26 is: 13,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.12 : 24,940.65 = 10,115.26 : x
  2. Step 2: Convert to fraction form
    18,073.12/24,940.65 = 10,115.26/x
  3. Step 3: Cross multiply
    18,073.12x = 24,940.65 × 10,115.26
  4. Step 4: Simplify right side
    18,073.12x = 252,281,159.32
  5. Step 5: Solve for x
    x = 252,281,159.32/18,073.12
  6. Step 6: Final answer
    x = 13,958.92

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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.