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Finding the Fourth Proportional to 9,559.80, 13,198.88 and 7,044.74

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Solution

The fourth proportional to 9,559.80, 13,198.88 and 7,044.74 is: 9,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,559.80 : 13,198.88 = 7,044.74 : x
  2. Step 2: Convert to fraction form
    9,559.80/13,198.88 = 7,044.74/x
  3. Step 3: Cross multiply
    9,559.80x = 13,198.88 × 7,044.74
  4. Step 4: Simplify right side
    9,559.80x = 92,982,677.89
  5. Step 5: Solve for x
    x = 92,982,677.89/9,559.80
  6. Step 6: Final answer
    x = 9,726.43

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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.