Home / 10,073.75-15,110.60-2,678.20

Finding the Fourth Proportional to 10,073.75, 15,110.60 and 2,678.20

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Solution

The fourth proportional to 10,073.75, 15,110.60 and 2,678.20 is: 4,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.75 : 15,110.60 = 2,678.20 : x
  2. Step 2: Convert to fraction form
    10,073.75/15,110.60 = 2,678.20/x
  3. Step 3: Cross multiply
    10,073.75x = 15,110.60 × 2,678.20
  4. Step 4: Simplify right side
    10,073.75x = 40,469,240.00
  5. Step 5: Solve for x
    x = 40,469,240.00/10,073.75
  6. Step 6: Final answer
    x = 4,017.30

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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.