Home / 10,831.40-16,248.44-3,809.75

Finding the Fourth Proportional to 10,831.40, 16,248.44 and 3,809.75

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Solution

The fourth proportional to 10,831.40, 16,248.44 and 3,809.75 is: 5,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.40 : 16,248.44 = 3,809.75 : x
  2. Step 2: Convert to fraction form
    10,831.40/16,248.44 = 3,809.75/x
  3. Step 3: Cross multiply
    10,831.40x = 16,248.44 × 3,809.75
  4. Step 4: Simplify right side
    10,831.40x = 61,902,544.44
  5. Step 5: Solve for x
    x = 61,902,544.44/10,831.40
  6. Step 6: Final answer
    x = 5,715.10

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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.