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Finding the Fourth Proportional to 8,842.71, 13,257.59 and 7,553.19

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Solution

The fourth proportional to 8,842.71, 13,257.59 and 7,553.19 is: 11,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.71 : 13,257.59 = 7,553.19 : x
  2. Step 2: Convert to fraction form
    8,842.71/13,257.59 = 7,553.19/x
  3. Step 3: Cross multiply
    8,842.71x = 13,257.59 × 7,553.19
  4. Step 4: Simplify right side
    8,842.71x = 100,137,058.45
  5. Step 5: Solve for x
    x = 100,137,058.45/8,842.71
  6. Step 6: Final answer
    x = 11,324.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.