Home / 10,093.92-15,143.40-3,520.20

Finding the Fourth Proportional to 10,093.92, 15,143.40 and 3,520.20

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Solution

The fourth proportional to 10,093.92, 15,143.40 and 3,520.20 is: 5,281.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,093.92 : 15,143.40 = 3,520.20 : x
  2. Step 2: Convert to fraction form
    10,093.92/15,143.40 = 3,520.20/x
  3. Step 3: Cross multiply
    10,093.92x = 15,143.40 × 3,520.20
  4. Step 4: Simplify right side
    10,093.92x = 53,307,796.68
  5. Step 5: Solve for x
    x = 53,307,796.68/10,093.92
  6. Step 6: Final answer
    x = 5,281.18

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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.