Home / 20,254.04-30,380.82-8,559.32

Finding the Fourth Proportional to 20,254.04, 30,380.82 and 8,559.32

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Solution

The fourth proportional to 20,254.04, 30,380.82 and 8,559.32 is: 12,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.04 : 30,380.82 = 8,559.32 : x
  2. Step 2: Convert to fraction form
    20,254.04/30,380.82 = 8,559.32/x
  3. Step 3: Cross multiply
    20,254.04x = 30,380.82 × 8,559.32
  4. Step 4: Simplify right side
    20,254.04x = 260,039,160.24
  5. Step 5: Solve for x
    x = 260,039,160.24/20,254.04
  6. Step 6: Final answer
    x = 12,838.88

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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.