Home / 18,776.08-28,160.04-5,624.92

Finding the Fourth Proportional to 18,776.08, 28,160.04 and 5,624.92

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Solution

The fourth proportional to 18,776.08, 28,160.04 and 5,624.92 is: 8,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776.08 : 28,160.04 = 5,624.92 : x
  2. Step 2: Convert to fraction form
    18,776.08/28,160.04 = 5,624.92/x
  3. Step 3: Cross multiply
    18,776.08x = 28,160.04 × 5,624.92
  4. Step 4: Simplify right side
    18,776.08x = 158,397,972.20
  5. Step 5: Solve for x
    x = 158,397,972.20/18,776.08
  6. Step 6: Final answer
    x = 8,436.16

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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.