Home / 20,566.80-30,849.84-8,088.12

Finding the Fourth Proportional to 20,566.80, 30,849.84 and 8,088.12

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Solution

The fourth proportional to 20,566.80, 30,849.84 and 8,088.12 is: 12,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.80 : 30,849.84 = 8,088.12 : x
  2. Step 2: Convert to fraction form
    20,566.80/30,849.84 = 8,088.12/x
  3. Step 3: Cross multiply
    20,566.80x = 30,849.84 × 8,088.12
  4. Step 4: Simplify right side
    20,566.80x = 249,517,207.90
  5. Step 5: Solve for x
    x = 249,517,207.90/20,566.80
  6. Step 6: Final answer
    x = 12,132.04

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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.