Home / 14,286.67-21,432.28-4,929.04

Finding the Fourth Proportional to 14,286.67, 21,432.28 and 4,929.04

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Solution

The fourth proportional to 14,286.67, 21,432.28 and 4,929.04 is: 7,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.67 : 21,432.28 = 4,929.04 : x
  2. Step 2: Convert to fraction form
    14,286.67/21,432.28 = 4,929.04/x
  3. Step 3: Cross multiply
    14,286.67x = 21,432.28 × 4,929.04
  4. Step 4: Simplify right side
    14,286.67x = 105,640,565.41
  5. Step 5: Solve for x
    x = 105,640,565.41/14,286.67
  6. Step 6: Final answer
    x = 7,394.34

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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.