Home / 14,819.68-20,450.27-8,445.38

Finding the Fourth Proportional to 14,819.68, 20,450.27 and 8,445.38

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Solution

The fourth proportional to 14,819.68, 20,450.27 and 8,445.38 is: 11,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.68 : 20,450.27 = 8,445.38 : x
  2. Step 2: Convert to fraction form
    14,819.68/20,450.27 = 8,445.38/x
  3. Step 3: Cross multiply
    14,819.68x = 20,450.27 × 8,445.38
  4. Step 4: Simplify right side
    14,819.68x = 172,710,373.49
  5. Step 5: Solve for x
    x = 172,710,373.49/14,819.68
  6. Step 6: Final answer
    x = 11,654.12

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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.