Home / 12,672.40-17,463.72-11,013.52

Finding the Fourth Proportional to 12,672.40, 17,463.72 and 11,013.52

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Solution

The fourth proportional to 12,672.40, 17,463.72 and 11,013.52 is: 15,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.40 : 17,463.72 = 11,013.52 : x
  2. Step 2: Convert to fraction form
    12,672.40/17,463.72 = 11,013.52/x
  3. Step 3: Cross multiply
    12,672.40x = 17,463.72 × 11,013.52
  4. Step 4: Simplify right side
    12,672.40x = 192,337,029.49
  5. Step 5: Solve for x
    x = 192,337,029.49/12,672.40
  6. Step 6: Final answer
    x = 15,177.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.