Home / 15,317.12-22,963.12-5,450.78

Finding the Fourth Proportional to 15,317.12, 22,963.12 and 5,450.78

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Solution

The fourth proportional to 15,317.12, 22,963.12 and 5,450.78 is: 8,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.12 : 22,963.12 = 5,450.78 : x
  2. Step 2: Convert to fraction form
    15,317.12/22,963.12 = 5,450.78/x
  3. Step 3: Cross multiply
    15,317.12x = 22,963.12 × 5,450.78
  4. Step 4: Simplify right side
    15,317.12x = 125,166,786.79
  5. Step 5: Solve for x
    x = 125,166,786.79/15,317.12
  6. Step 6: Final answer
    x = 8,171.69

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1.5x scale

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.