Home / 16,721.09-25,084.92-6,191.20

Finding the Fourth Proportional to 16,721.09, 25,084.92 and 6,191.20

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Solution

The fourth proportional to 16,721.09, 25,084.92 and 6,191.20 is: 9,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.09 : 25,084.92 = 6,191.20 : x
  2. Step 2: Convert to fraction form
    16,721.09/25,084.92 = 6,191.20/x
  3. Step 3: Cross multiply
    16,721.09x = 25,084.92 × 6,191.20
  4. Step 4: Simplify right side
    16,721.09x = 155,305,756.70
  5. Step 5: Solve for x
    x = 155,305,756.70/16,721.09
  6. Step 6: Final answer
    x = 9,288.02

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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.