Home / 18,140.49-25,034.67-10,182.85

Finding the Fourth Proportional to 18,140.49, 25,034.67 and 10,182.85

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Solution

The fourth proportional to 18,140.49, 25,034.67 and 10,182.85 is: 14,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.49 : 25,034.67 = 10,182.85 : x
  2. Step 2: Convert to fraction form
    18,140.49/25,034.67 = 10,182.85/x
  3. Step 3: Cross multiply
    18,140.49x = 25,034.67 × 10,182.85
  4. Step 4: Simplify right side
    18,140.49x = 254,924,226.82
  5. Step 5: Solve for x
    x = 254,924,226.82/18,140.49
  6. Step 6: Final answer
    x = 14,052.78

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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.