Home / 18,398.32-27,601.80-5,250.88

Finding the Fourth Proportional to 18,398.32, 27,601.80 and 5,250.88

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Solution

The fourth proportional to 18,398.32, 27,601.80 and 5,250.88 is: 7,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.32 : 27,601.80 = 5,250.88 : x
  2. Step 2: Convert to fraction form
    18,398.32/27,601.80 = 5,250.88/x
  3. Step 3: Cross multiply
    18,398.32x = 27,601.80 × 5,250.88
  4. Step 4: Simplify right side
    18,398.32x = 144,933,739.58
  5. Step 5: Solve for x
    x = 144,933,739.58/18,398.32
  6. Step 6: Final answer
    x = 7,877.55

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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.