Home / 16,867.80-25,301.70-11,837.70

Finding the Fourth Proportional to 16,867.80, 25,301.70 and 11,837.70

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Solution

The fourth proportional to 16,867.80, 25,301.70 and 11,837.70 is: 17,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.80 : 25,301.70 = 11,837.70 : x
  2. Step 2: Convert to fraction form
    16,867.80/25,301.70 = 11,837.70/x
  3. Step 3: Cross multiply
    16,867.80x = 25,301.70 × 11,837.70
  4. Step 4: Simplify right side
    16,867.80x = 299,513,934.09
  5. Step 5: Solve for x
    x = 299,513,934.09/16,867.80
  6. Step 6: Final answer
    x = 17,756.55

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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.