Home / 10,383.96-15,570.18-3,454.68

Finding the Fourth Proportional to 10,383.96, 15,570.18 and 3,454.68

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Solution

The fourth proportional to 10,383.96, 15,570.18 and 3,454.68 is: 5,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.96 : 15,570.18 = 3,454.68 : x
  2. Step 2: Convert to fraction form
    10,383.96/15,570.18 = 3,454.68/x
  3. Step 3: Cross multiply
    10,383.96x = 15,570.18 × 3,454.68
  4. Step 4: Simplify right side
    10,383.96x = 53,789,989.44
  5. Step 5: Solve for x
    x = 53,789,989.44/10,383.96
  6. Step 6: Final answer
    x = 5,180.10

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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.