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Finding the Fourth Proportional to 16,735.70, 25,084.86 and 7,952.16

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Solution

The fourth proportional to 16,735.70, 25,084.86 and 7,952.16 is: 11,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,735.70 : 25,084.86 = 7,952.16 : x
  2. Step 2: Convert to fraction form
    16,735.70/25,084.86 = 7,952.16/x
  3. Step 3: Cross multiply
    16,735.70x = 25,084.86 × 7,952.16
  4. Step 4: Simplify right side
    16,735.70x = 199,478,820.30
  5. Step 5: Solve for x
    x = 199,478,820.30/16,735.70
  6. Step 6: Final answer
    x = 11,919.36

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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.