Home / 12,531.43-17,293.37-6,866.55

Finding the Fourth Proportional to 12,531.43, 17,293.37 and 6,866.55

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Solution

The fourth proportional to 12,531.43, 17,293.37 and 6,866.55 is: 9,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.43 : 17,293.37 = 6,866.55 : x
  2. Step 2: Convert to fraction form
    12,531.43/17,293.37 = 6,866.55/x
  3. Step 3: Cross multiply
    12,531.43x = 17,293.37 × 6,866.55
  4. Step 4: Simplify right side
    12,531.43x = 118,745,668.97
  5. Step 5: Solve for x
    x = 118,745,668.97/12,531.43
  6. Step 6: Final answer
    x = 9,475.83

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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.