Home / 12,625.15-17,419.72-7,318.95

Finding the Fourth Proportional to 12,625.15, 17,419.72 and 7,318.95

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Solution

The fourth proportional to 12,625.15, 17,419.72 and 7,318.95 is: 10,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.15 : 17,419.72 = 7,318.95 : x
  2. Step 2: Convert to fraction form
    12,625.15/17,419.72 = 7,318.95/x
  3. Step 3: Cross multiply
    12,625.15x = 17,419.72 × 7,318.95
  4. Step 4: Simplify right side
    12,625.15x = 127,494,059.69
  5. Step 5: Solve for x
    x = 127,494,059.69/12,625.15
  6. Step 6: Final answer
    x = 10,098.42

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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.