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Finding the Fourth Proportional to 17,058.64, 23,540.98 and 9,889.95

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Solution

The fourth proportional to 17,058.64, 23,540.98 and 9,889.95 is: 13,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,058.64 : 23,540.98 = 9,889.95 : x
  2. Step 2: Convert to fraction form
    17,058.64/23,540.98 = 9,889.95/x
  3. Step 3: Cross multiply
    17,058.64x = 23,540.98 × 9,889.95
  4. Step 4: Simplify right side
    17,058.64x = 232,819,065.70
  5. Step 5: Solve for x
    x = 232,819,065.70/17,058.64
  6. Step 6: Final answer
    x = 13,648.16

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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.