Home / 12,437.54-17,163.95-7,132.85

Finding the Fourth Proportional to 12,437.54, 17,163.95 and 7,132.85

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Solution

The fourth proportional to 12,437.54, 17,163.95 and 7,132.85 is: 9,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.54 : 17,163.95 = 7,132.85 : x
  2. Step 2: Convert to fraction form
    12,437.54/17,163.95 = 7,132.85/x
  3. Step 3: Cross multiply
    12,437.54x = 17,163.95 × 7,132.85
  4. Step 4: Simplify right side
    12,437.54x = 122,427,759.27
  5. Step 5: Solve for x
    x = 122,427,759.27/12,437.54
  6. Step 6: Final answer
    x = 9,843.41

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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.