Home / 16,719.88-25,081.91-6,188.12

Finding the Fourth Proportional to 16,719.88, 25,081.91 and 6,188.12

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Solution

The fourth proportional to 16,719.88, 25,081.91 and 6,188.12 is: 9,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.88 : 25,081.91 = 6,188.12 : x
  2. Step 2: Convert to fraction form
    16,719.88/25,081.91 = 6,188.12/x
  3. Step 3: Cross multiply
    16,719.88x = 25,081.91 × 6,188.12
  4. Step 4: Simplify right side
    16,719.88x = 155,209,837.97
  5. Step 5: Solve for x
    x = 155,209,837.97/16,719.88
  6. Step 6: Final answer
    x = 9,282.95

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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.