Home / 20,266.96-30,401.52-6,417.04

Finding the Fourth Proportional to 20,266.96, 30,401.52 and 6,417.04

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Solution

The fourth proportional to 20,266.96, 30,401.52 and 6,417.04 is: 9,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.96 : 30,401.52 = 6,417.04 : x
  2. Step 2: Convert to fraction form
    20,266.96/30,401.52 = 6,417.04/x
  3. Step 3: Cross multiply
    20,266.96x = 30,401.52 × 6,417.04
  4. Step 4: Simplify right side
    20,266.96x = 195,087,769.90
  5. Step 5: Solve for x
    x = 195,087,769.90/20,266.96
  6. Step 6: Final answer
    x = 9,625.90

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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.