Home / 10,130.30-15,195.45-2,735.90

Finding the Fourth Proportional to 10,130.30, 15,195.45 and 2,735.90

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Solution

The fourth proportional to 10,130.30, 15,195.45 and 2,735.90 is: 4,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.30 : 15,195.45 = 2,735.90 : x
  2. Step 2: Convert to fraction form
    10,130.30/15,195.45 = 2,735.90/x
  3. Step 3: Cross multiply
    10,130.30x = 15,195.45 × 2,735.90
  4. Step 4: Simplify right side
    10,130.30x = 41,573,231.66
  5. Step 5: Solve for x
    x = 41,573,231.66/10,130.30
  6. Step 6: Final answer
    x = 4,103.85

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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.