Home / 18,318.62-25,278.26-10,765.23

Finding the Fourth Proportional to 18,318.62, 25,278.26 and 10,765.23

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Solution

The fourth proportional to 18,318.62, 25,278.26 and 10,765.23 is: 14,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.62 : 25,278.26 = 10,765.23 : x
  2. Step 2: Convert to fraction form
    18,318.62/25,278.26 = 10,765.23/x
  3. Step 3: Cross multiply
    18,318.62x = 25,278.26 × 10,765.23
  4. Step 4: Simplify right side
    18,318.62x = 272,126,229.07
  5. Step 5: Solve for x
    x = 272,126,229.07/18,318.62
  6. Step 6: Final answer
    x = 14,855.17

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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.