Home / 10,266.22-15,401.94-2,870.70

Finding the Fourth Proportional to 10,266.22, 15,401.94 and 2,870.70

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Solution

The fourth proportional to 10,266.22, 15,401.94 and 2,870.70 is: 4,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.22 : 15,401.94 = 2,870.70 : x
  2. Step 2: Convert to fraction form
    10,266.22/15,401.94 = 2,870.70/x
  3. Step 3: Cross multiply
    10,266.22x = 15,401.94 × 2,870.70
  4. Step 4: Simplify right side
    10,266.22x = 44,214,349.16
  5. Step 5: Solve for x
    x = 44,214,349.16/10,266.22
  6. Step 6: Final answer
    x = 4,306.78

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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.