Home / 12,751.26-19,102.14-10,123.62

Finding the Fourth Proportional to 12,751.26, 19,102.14 and 10,123.62

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Solution

The fourth proportional to 12,751.26, 19,102.14 and 10,123.62 is: 15,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,751.26 : 19,102.14 = 10,123.62 : x
  2. Step 2: Convert to fraction form
    12,751.26/19,102.14 = 10,123.62/x
  3. Step 3: Cross multiply
    12,751.26x = 19,102.14 × 10,123.62
  4. Step 4: Simplify right side
    12,751.26x = 193,382,806.55
  5. Step 5: Solve for x
    x = 193,382,806.55/12,751.26
  6. Step 6: Final answer
    x = 15,165.78

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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.