Home / 13,414.30-20,124.15-4,647.40

Finding the Fourth Proportional to 13,414.30, 20,124.15 and 4,647.40

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Solution

The fourth proportional to 13,414.30, 20,124.15 and 4,647.40 is: 6,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.30 : 20,124.15 = 4,647.40 : x
  2. Step 2: Convert to fraction form
    13,414.30/20,124.15 = 4,647.40/x
  3. Step 3: Cross multiply
    13,414.30x = 20,124.15 × 4,647.40
  4. Step 4: Simplify right side
    13,414.30x = 93,524,974.71
  5. Step 5: Solve for x
    x = 93,524,974.71/13,414.30
  6. Step 6: Final answer
    x = 6,972.04

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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.