Home / 10,344.08-15,513.60-2,949.20

Finding the Fourth Proportional to 10,344.08, 15,513.60 and 2,949.20

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Solution

The fourth proportional to 10,344.08, 15,513.60 and 2,949.20 is: 4,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.08 : 15,513.60 = 2,949.20 : x
  2. Step 2: Convert to fraction form
    10,344.08/15,513.60 = 2,949.20/x
  3. Step 3: Cross multiply
    10,344.08x = 15,513.60 × 2,949.20
  4. Step 4: Simplify right side
    10,344.08x = 45,752,709.12
  5. Step 5: Solve for x
    x = 45,752,709.12/10,344.08
  6. Step 6: Final answer
    x = 4,423.08

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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.