Home / 10,249.20-15,369.48-3,322.08

Finding the Fourth Proportional to 10,249.20, 15,369.48 and 3,322.08

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Solution

The fourth proportional to 10,249.20, 15,369.48 and 3,322.08 is: 4,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.20 : 15,369.48 = 3,322.08 : x
  2. Step 2: Convert to fraction form
    10,249.20/15,369.48 = 3,322.08/x
  3. Step 3: Cross multiply
    10,249.20x = 15,369.48 × 3,322.08
  4. Step 4: Simplify right side
    10,249.20x = 51,058,642.12
  5. Step 5: Solve for x
    x = 51,058,642.12/10,249.20
  6. Step 6: Final answer
    x = 4,981.72

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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.