Home / 10,110.60-15,170.28-3,541.44

Finding the Fourth Proportional to 10,110.60, 15,170.28 and 3,541.44

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Solution

The fourth proportional to 10,110.60, 15,170.28 and 3,541.44 is: 5,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.60 : 15,170.28 = 3,541.44 : x
  2. Step 2: Convert to fraction form
    10,110.60/15,170.28 = 3,541.44/x
  3. Step 3: Cross multiply
    10,110.60x = 15,170.28 × 3,541.44
  4. Step 4: Simplify right side
    10,110.60x = 53,724,636.40
  5. Step 5: Solve for x
    x = 53,724,636.40/10,110.60
  6. Step 6: Final answer
    x = 5,313.69

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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.