Home / 10,894.40-16,341.18-3,103.20

Finding the Fourth Proportional to 10,894.40, 16,341.18 and 3,103.20

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Solution

The fourth proportional to 10,894.40, 16,341.18 and 3,103.20 is: 4,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.40 : 16,341.18 = 3,103.20 : x
  2. Step 2: Convert to fraction form
    10,894.40/16,341.18 = 3,103.20/x
  3. Step 3: Cross multiply
    10,894.40x = 16,341.18 × 3,103.20
  4. Step 4: Simplify right side
    10,894.40x = 50,709,949.78
  5. Step 5: Solve for x
    x = 50,709,949.78/10,894.40
  6. Step 6: Final answer
    x = 4,654.68

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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.