Home / 10,144.32-15,214.44-3,480.48

Finding the Fourth Proportional to 10,144.32, 15,214.44 and 3,480.48

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Solution

The fourth proportional to 10,144.32, 15,214.44 and 3,480.48 is: 5,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.32 : 15,214.44 = 3,480.48 : x
  2. Step 2: Convert to fraction form
    10,144.32/15,214.44 = 3,480.48/x
  3. Step 3: Cross multiply
    10,144.32x = 15,214.44 × 3,480.48
  4. Step 4: Simplify right side
    10,144.32x = 52,953,554.13
  5. Step 5: Solve for x
    x = 52,953,554.13/10,144.32
  6. Step 6: Final answer
    x = 5,220.02

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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.