Home / 12,561.04-17,326.56-9,029.04

Finding the Fourth Proportional to 12,561.04, 17,326.56 and 9,029.04

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Solution

The fourth proportional to 12,561.04, 17,326.56 and 9,029.04 is: 12,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.04 : 17,326.56 = 9,029.04 : x
  2. Step 2: Convert to fraction form
    12,561.04/17,326.56 = 9,029.04/x
  3. Step 3: Cross multiply
    12,561.04x = 17,326.56 × 9,029.04
  4. Step 4: Simplify right side
    12,561.04x = 156,442,203.30
  5. Step 5: Solve for x
    x = 156,442,203.30/12,561.04
  6. Step 6: Final answer
    x = 12,454.56

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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.