Home / 13,672.90-20,514.15-4,908.10

Finding the Fourth Proportional to 13,672.90, 20,514.15 and 4,908.10

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Solution

The fourth proportional to 13,672.90, 20,514.15 and 4,908.10 is: 7,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.90 : 20,514.15 = 4,908.10 : x
  2. Step 2: Convert to fraction form
    13,672.90/20,514.15 = 4,908.10/x
  3. Step 3: Cross multiply
    13,672.90x = 20,514.15 × 4,908.10
  4. Step 4: Simplify right side
    13,672.90x = 100,685,499.62
  5. Step 5: Solve for x
    x = 100,685,499.62/13,672.90
  6. Step 6: Final answer
    x = 7,363.87

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1.5x scale

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.