Home / 15,400.11-23,103.01-4,872.78

Finding the Fourth Proportional to 15,400.11, 23,103.01 and 4,872.78

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Solution

The fourth proportional to 15,400.11, 23,103.01 and 4,872.78 is: 7,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.11 : 23,103.01 = 4,872.78 : x
  2. Step 2: Convert to fraction form
    15,400.11/23,103.01 = 4,872.78/x
  3. Step 3: Cross multiply
    15,400.11x = 23,103.01 × 4,872.78
  4. Step 4: Simplify right side
    15,400.11x = 112,575,792.81
  5. Step 5: Solve for x
    x = 112,575,792.81/15,400.11
  6. Step 6: Final answer
    x = 7,310.07

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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.