Home / 20,526.80-30,793.40-6,671.44

Finding the Fourth Proportional to 20,526.80, 30,793.40 and 6,671.44

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Solution

The fourth proportional to 20,526.80, 30,793.40 and 6,671.44 is: 10,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.80 : 30,793.40 = 6,671.44 : x
  2. Step 2: Convert to fraction form
    20,526.80/30,793.40 = 6,671.44/x
  3. Step 3: Cross multiply
    20,526.80x = 30,793.40 × 6,671.44
  4. Step 4: Simplify right side
    20,526.80x = 205,436,320.50
  5. Step 5: Solve for x
    x = 205,436,320.50/20,526.80
  6. Step 6: Final answer
    x = 10,008.20

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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.