Home / 15,920.82-23,860.53-6,550.20

Finding the Fourth Proportional to 15,920.82, 23,860.53 and 6,550.20

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Solution

The fourth proportional to 15,920.82, 23,860.53 and 6,550.20 is: 9,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.82 : 23,860.53 = 6,550.20 : x
  2. Step 2: Convert to fraction form
    15,920.82/23,860.53 = 6,550.20/x
  3. Step 3: Cross multiply
    15,920.82x = 23,860.53 × 6,550.20
  4. Step 4: Simplify right side
    15,920.82x = 156,291,243.61
  5. Step 5: Solve for x
    x = 156,291,243.61/15,920.82
  6. Step 6: Final answer
    x = 9,816.78

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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.