Home / 12,576.68-18,871.26-8,902.52

Finding the Fourth Proportional to 12,576.68, 18,871.26 and 8,902.52

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Solution

The fourth proportional to 12,576.68, 18,871.26 and 8,902.52 is: 13,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.68 : 18,871.26 = 8,902.52 : x
  2. Step 2: Convert to fraction form
    12,576.68/18,871.26 = 8,902.52/x
  3. Step 3: Cross multiply
    12,576.68x = 18,871.26 × 8,902.52
  4. Step 4: Simplify right side
    12,576.68x = 168,001,769.58
  5. Step 5: Solve for x
    x = 168,001,769.58/12,576.68
  6. Step 6: Final answer
    x = 13,358.20

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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.