Home / 14,815.30-20,444.14-8,099.54

Finding the Fourth Proportional to 14,815.30, 20,444.14 and 8,099.54

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Solution

The fourth proportional to 14,815.30, 20,444.14 and 8,099.54 is: 11,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.30 : 20,444.14 = 8,099.54 : x
  2. Step 2: Convert to fraction form
    14,815.30/20,444.14 = 8,099.54/x
  3. Step 3: Cross multiply
    14,815.30x = 20,444.14 × 8,099.54
  4. Step 4: Simplify right side
    14,815.30x = 165,588,129.70
  5. Step 5: Solve for x
    x = 165,588,129.70/14,815.30
  6. Step 6: Final answer
    x = 11,176.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.