Home / 18,876.58-28,314.96-5,729.06

Finding the Fourth Proportional to 18,876.58, 28,314.96 and 5,729.06

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Solution

The fourth proportional to 18,876.58, 28,314.96 and 5,729.06 is: 8,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876.58 : 28,314.96 = 5,729.06 : x
  2. Step 2: Convert to fraction form
    18,876.58/28,314.96 = 5,729.06/x
  3. Step 3: Cross multiply
    18,876.58x = 28,314.96 × 5,729.06
  4. Step 4: Simplify right side
    18,876.58x = 162,218,154.04
  5. Step 5: Solve for x
    x = 162,218,154.04/18,876.58
  6. Step 6: Final answer
    x = 8,593.62

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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.