Home / 10,269.88-15,401.22-2,872.35

Finding the Fourth Proportional to 10,269.88, 15,401.22 and 2,872.35

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Solution

The fourth proportional to 10,269.88, 15,401.22 and 2,872.35 is: 4,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.88 : 15,401.22 = 2,872.35 : x
  2. Step 2: Convert to fraction form
    10,269.88/15,401.22 = 2,872.35/x
  3. Step 3: Cross multiply
    10,269.88x = 15,401.22 × 2,872.35
  4. Step 4: Simplify right side
    10,269.88x = 44,237,694.27
  5. Step 5: Solve for x
    x = 44,237,694.27/10,269.88
  6. Step 6: Final answer
    x = 4,307.52

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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.