Home / 12,580.22-17,360.52-7,275.53

Finding the Fourth Proportional to 12,580.22, 17,360.52 and 7,275.53

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Solution

The fourth proportional to 12,580.22, 17,360.52 and 7,275.53 is: 10,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.22 : 17,360.52 = 7,275.53 : x
  2. Step 2: Convert to fraction form
    12,580.22/17,360.52 = 7,275.53/x
  3. Step 3: Cross multiply
    12,580.22x = 17,360.52 × 7,275.53
  4. Step 4: Simplify right side
    12,580.22x = 126,306,984.08
  5. Step 5: Solve for x
    x = 126,306,984.08/12,580.22
  6. Step 6: Final answer
    x = 10,040.13

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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.