Home / 10,226.98-15,340.45-2,831.42

Finding the Fourth Proportional to 10,226.98, 15,340.45 and 2,831.42

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Solution

The fourth proportional to 10,226.98, 15,340.45 and 2,831.42 is: 4,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.98 : 15,340.45 = 2,831.42 : x
  2. Step 2: Convert to fraction form
    10,226.98/15,340.45 = 2,831.42/x
  3. Step 3: Cross multiply
    10,226.98x = 15,340.45 × 2,831.42
  4. Step 4: Simplify right side
    10,226.98x = 43,435,256.94
  5. Step 5: Solve for x
    x = 43,435,256.94/10,226.98
  6. Step 6: Final answer
    x = 4,247.12

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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.