Home / 9,963.40-14,945.10-3,037.90

Finding the Fourth Proportional to 9,963.40, 14,945.10 and 3,037.90

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Solution

The fourth proportional to 9,963.40, 14,945.10 and 3,037.90 is: 4,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.40 : 14,945.10 = 3,037.90 : x
  2. Step 2: Convert to fraction form
    9,963.40/14,945.10 = 3,037.90/x
  3. Step 3: Cross multiply
    9,963.40x = 14,945.10 × 3,037.90
  4. Step 4: Simplify right side
    9,963.40x = 45,401,719.29
  5. Step 5: Solve for x
    x = 45,401,719.29/9,963.40
  6. Step 6: Final answer
    x = 4,556.85

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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.