Home / 12,974.32-19,460.76-11,530

Finding the Fourth Proportional to 12,974.32, 19,460.76 and 11,530

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Solution

The fourth proportional to 12,974.32, 19,460.76 and 11,530 is: 17,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.32 : 19,460.76 = 11,530 : x
  2. Step 2: Convert to fraction form
    12,974.32/19,460.76 = 11,530/x
  3. Step 3: Cross multiply
    12,974.32x = 19,460.76 × 11,530
  4. Step 4: Simplify right side
    12,974.32x = 224,382,562.80
  5. Step 5: Solve for x
    x = 224,382,562.80/12,974.32
  6. Step 6: Final answer
    x = 17,294.36

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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.