Home / 20,306.20-30,453.90-6,266.20

Finding the Fourth Proportional to 20,306.20, 30,453.90 and 6,266.20

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Solution

The fourth proportional to 20,306.20, 30,453.90 and 6,266.20 is: 9,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306.20 : 30,453.90 = 6,266.20 : x
  2. Step 2: Convert to fraction form
    20,306.20/30,453.90 = 6,266.20/x
  3. Step 3: Cross multiply
    20,306.20x = 30,453.90 × 6,266.20
  4. Step 4: Simplify right side
    20,306.20x = 190,830,228.18
  5. Step 5: Solve for x
    x = 190,830,228.18/20,306.20
  6. Step 6: Final answer
    x = 9,397.63

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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.