Home / 18,576.18-27,869.13-10,254.78

Finding the Fourth Proportional to 18,576.18, 27,869.13 and 10,254.78

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Solution

The fourth proportional to 18,576.18, 27,869.13 and 10,254.78 is: 15,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.18 : 27,869.13 = 10,254.78 : x
  2. Step 2: Convert to fraction form
    18,576.18/27,869.13 = 10,254.78/x
  3. Step 3: Cross multiply
    18,576.18x = 27,869.13 × 10,254.78
  4. Step 4: Simplify right side
    18,576.18x = 285,791,796.94
  5. Step 5: Solve for x
    x = 285,791,796.94/18,576.18
  6. Step 6: Final answer
    x = 15,384.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.