Home / 18,644.38-25,729.18-10,260.88

Finding the Fourth Proportional to 18,644.38, 25,729.18 and 10,260.88

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Solution

The fourth proportional to 18,644.38, 25,729.18 and 10,260.88 is: 14,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.38 : 25,729.18 = 10,260.88 : x
  2. Step 2: Convert to fraction form
    18,644.38/25,729.18 = 10,260.88/x
  3. Step 3: Cross multiply
    18,644.38x = 25,729.18 × 10,260.88
  4. Step 4: Simplify right side
    18,644.38x = 264,003,938.50
  5. Step 5: Solve for x
    x = 264,003,938.50/18,644.38
  6. Step 6: Final answer
    x = 14,159.98

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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.