Home / 15,247.40-22,868.78-4,154.96

Finding the Fourth Proportional to 15,247.40, 22,868.78 and 4,154.96

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Solution

The fourth proportional to 15,247.40, 22,868.78 and 4,154.96 is: 6,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.40 : 22,868.78 = 4,154.96 : x
  2. Step 2: Convert to fraction form
    15,247.40/22,868.78 = 4,154.96/x
  3. Step 3: Cross multiply
    15,247.40x = 22,868.78 × 4,154.96
  4. Step 4: Simplify right side
    15,247.40x = 95,018,866.15
  5. Step 5: Solve for x
    x = 95,018,866.15/15,247.40
  6. Step 6: Final answer
    x = 6,231.81

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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.