Home / 10,388.77-15,589.32-4,151.73

Finding the Fourth Proportional to 10,388.77, 15,589.32 and 4,151.73

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Solution

The fourth proportional to 10,388.77, 15,589.32 and 4,151.73 is: 6,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.77 : 15,589.32 = 4,151.73 : x
  2. Step 2: Convert to fraction form
    10,388.77/15,589.32 = 4,151.73/x
  3. Step 3: Cross multiply
    10,388.77x = 15,589.32 × 4,151.73
  4. Step 4: Simplify right side
    10,388.77x = 64,722,647.52
  5. Step 5: Solve for x
    x = 64,722,647.52/10,388.77
  6. Step 6: Final answer
    x = 6,230.06

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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.