Home / 20,244.08-30,366.12-5,454.15

Finding the Fourth Proportional to 20,244.08, 30,366.12 and 5,454.15

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Solution

The fourth proportional to 20,244.08, 30,366.12 and 5,454.15 is: 8,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.08 : 30,366.12 = 5,454.15 : x
  2. Step 2: Convert to fraction form
    20,244.08/30,366.12 = 5,454.15/x
  3. Step 3: Cross multiply
    20,244.08x = 30,366.12 × 5,454.15
  4. Step 4: Simplify right side
    20,244.08x = 165,621,373.40
  5. Step 5: Solve for x
    x = 165,621,373.40/20,244.08
  6. Step 6: Final answer
    x = 8,181.23

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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.