Home / 16,720.12-25,081.20-5,625.88

Finding the Fourth Proportional to 16,720.12, 25,081.20 and 5,625.88

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Solution

The fourth proportional to 16,720.12, 25,081.20 and 5,625.88 is: 8,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.12 : 25,081.20 = 5,625.88 : x
  2. Step 2: Convert to fraction form
    16,720.12/25,081.20 = 5,625.88/x
  3. Step 3: Cross multiply
    16,720.12x = 25,081.20 × 5,625.88
  4. Step 4: Simplify right side
    16,720.12x = 141,103,696.05
  5. Step 5: Solve for x
    x = 141,103,696.05/16,720.12
  6. Step 6: Final answer
    x = 8,439.16

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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.