Home / 10,249.72-15,370.20-4,322.72

Finding the Fourth Proportional to 10,249.72, 15,370.20 and 4,322.72

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Solution

The fourth proportional to 10,249.72, 15,370.20 and 4,322.72 is: 6,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.72 : 15,370.20 = 4,322.72 : x
  2. Step 2: Convert to fraction form
    10,249.72/15,370.20 = 4,322.72/x
  3. Step 3: Cross multiply
    10,249.72x = 15,370.20 × 4,322.72
  4. Step 4: Simplify right side
    10,249.72x = 66,441,070.94
  5. Step 5: Solve for x
    x = 66,441,070.94/10,249.72
  6. Step 6: Final answer
    x = 6,482.23

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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.