Home / 10,331.69-15,493.77-4,409.20

Finding the Fourth Proportional to 10,331.69, 15,493.77 and 4,409.20

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Solution

The fourth proportional to 10,331.69, 15,493.77 and 4,409.20 is: 6,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.69 : 15,493.77 = 4,409.20 : x
  2. Step 2: Convert to fraction form
    10,331.69/15,493.77 = 4,409.20/x
  3. Step 3: Cross multiply
    10,331.69x = 15,493.77 × 4,409.20
  4. Step 4: Simplify right side
    10,331.69x = 68,315,179.92
  5. Step 5: Solve for x
    x = 68,315,179.92/10,331.69
  6. Step 6: Final answer
    x = 6,612.20

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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.