Home / 12,542.18-17,295.29-8,763.97

Finding the Fourth Proportional to 12,542.18, 17,295.29 and 8,763.97

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Solution

The fourth proportional to 12,542.18, 17,295.29 and 8,763.97 is: 12,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.18 : 17,295.29 = 8,763.97 : x
  2. Step 2: Convert to fraction form
    12,542.18/17,295.29 = 8,763.97/x
  3. Step 3: Cross multiply
    12,542.18x = 17,295.29 × 8,763.97
  4. Step 4: Simplify right side
    12,542.18x = 151,575,348.51
  5. Step 5: Solve for x
    x = 151,575,348.51/12,542.18
  6. Step 6: Final answer
    x = 12,085.25

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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.