Home / 18,799.56-28,194.48-8,919.18

Finding the Fourth Proportional to 18,799.56, 28,194.48 and 8,919.18

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Solution

The fourth proportional to 18,799.56, 28,194.48 and 8,919.18 is: 13,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.56 : 28,194.48 = 8,919.18 : x
  2. Step 2: Convert to fraction form
    18,799.56/28,194.48 = 8,919.18/x
  3. Step 3: Cross multiply
    18,799.56x = 28,194.48 × 8,919.18
  4. Step 4: Simplify right side
    18,799.56x = 251,471,642.13
  5. Step 5: Solve for x
    x = 251,471,642.13/18,799.56
  6. Step 6: Final answer
    x = 13,376.46

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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.