Home / 15,408.86-23,117.92-6,519.62

Finding the Fourth Proportional to 15,408.86, 23,117.92 and 6,519.62

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Solution

The fourth proportional to 15,408.86, 23,117.92 and 6,519.62 is: 9,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.86 : 23,117.92 = 6,519.62 : x
  2. Step 2: Convert to fraction form
    15,408.86/23,117.92 = 6,519.62/x
  3. Step 3: Cross multiply
    15,408.86x = 23,117.92 × 6,519.62
  4. Step 4: Simplify right side
    15,408.86x = 150,720,053.59
  5. Step 5: Solve for x
    x = 150,720,053.59/15,408.86
  6. Step 6: Final answer
    x = 9,781.39

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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.