Home / 12,522.74-17,280.35-7,217.92

Finding the Fourth Proportional to 12,522.74, 17,280.35 and 7,217.92

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Solution

The fourth proportional to 12,522.74, 17,280.35 and 7,217.92 is: 9,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.74 : 17,280.35 = 7,217.92 : x
  2. Step 2: Convert to fraction form
    12,522.74/17,280.35 = 7,217.92/x
  3. Step 3: Cross multiply
    12,522.74x = 17,280.35 × 7,217.92
  4. Step 4: Simplify right side
    12,522.74x = 124,728,097.47
  5. Step 5: Solve for x
    x = 124,728,097.47/12,522.74
  6. Step 6: Final answer
    x = 9,960.13

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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.