Home / 12,610.49-18,882.92-10,100.09

Finding the Fourth Proportional to 12,610.49, 18,882.92 and 10,100.09

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Solution

The fourth proportional to 12,610.49, 18,882.92 and 10,100.09 is: 15,123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.49 : 18,882.92 = 10,100.09 : x
  2. Step 2: Convert to fraction form
    12,610.49/18,882.92 = 10,100.09/x
  3. Step 3: Cross multiply
    12,610.49x = 18,882.92 × 10,100.09
  4. Step 4: Simplify right side
    12,610.49x = 190,719,263.92
  5. Step 5: Solve for x
    x = 190,719,263.92/12,610.49
  6. Step 6: Final answer
    x = 15,123.86

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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.