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Finding the Fourth Proportional to 15,601.82, 23,418.93 and 9,040.82

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Solution

The fourth proportional to 15,601.82, 23,418.93 and 9,040.82 is: 13,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.82 : 23,418.93 = 9,040.82 : x
  2. Step 2: Convert to fraction form
    15,601.82/23,418.93 = 9,040.82/x
  3. Step 3: Cross multiply
    15,601.82x = 23,418.93 × 9,040.82
  4. Step 4: Simplify right side
    15,601.82x = 211,726,330.72
  5. Step 5: Solve for x
    x = 211,726,330.72/15,601.82
  6. Step 6: Final answer
    x = 13,570.62

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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.