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Finding the Fourth Proportional to 16,965.62, 25,440.98 and 6,963.50

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Solution

The fourth proportional to 16,965.62, 25,440.98 and 6,963.50 is: 10,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.62 : 25,440.98 = 6,963.50 : x
  2. Step 2: Convert to fraction form
    16,965.62/25,440.98 = 6,963.50/x
  3. Step 3: Cross multiply
    16,965.62x = 25,440.98 × 6,963.50
  4. Step 4: Simplify right side
    16,965.62x = 177,158,264.23
  5. Step 5: Solve for x
    x = 177,158,264.23/16,965.62
  6. Step 6: Final answer
    x = 10,442.19

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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.