Home / 10,550.13-15,832.97-5,003.49

Finding the Fourth Proportional to 10,550.13, 15,832.97 and 5,003.49

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Solution

The fourth proportional to 10,550.13, 15,832.97 and 5,003.49 is: 7,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.13 : 15,832.97 = 5,003.49 : x
  2. Step 2: Convert to fraction form
    10,550.13/15,832.97 = 5,003.49/x
  3. Step 3: Cross multiply
    10,550.13x = 15,832.97 × 5,003.49
  4. Step 4: Simplify right side
    10,550.13x = 79,220,071.12
  5. Step 5: Solve for x
    x = 79,220,071.12/10,550.13
  6. Step 6: Final answer
    x = 7,508.92

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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.