Home / 10,174.43-15,243.70-8,910.92

Finding the Fourth Proportional to 10,174.43, 15,243.70 and 8,910.92

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Solution

The fourth proportional to 10,174.43, 15,243.70 and 8,910.92 is: 13,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.43 : 15,243.70 = 8,910.92 : x
  2. Step 2: Convert to fraction form
    10,174.43/15,243.70 = 8,910.92/x
  3. Step 3: Cross multiply
    10,174.43x = 15,243.70 × 8,910.92
  4. Step 4: Simplify right side
    10,174.43x = 135,835,407.04
  5. Step 5: Solve for x
    x = 135,835,407.04/10,174.43
  6. Step 6: Final answer
    x = 13,350.67

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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.