Home / 11,395.20-17,108.54-7,876.53

Finding the Fourth Proportional to 11,395.20, 17,108.54 and 7,876.53

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Solution

The fourth proportional to 11,395.20, 17,108.54 and 7,876.53 is: 11,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.20 : 17,108.54 = 7,876.53 : x
  2. Step 2: Convert to fraction form
    11,395.20/17,108.54 = 7,876.53/x
  3. Step 3: Cross multiply
    11,395.20x = 17,108.54 × 7,876.53
  4. Step 4: Simplify right side
    11,395.20x = 134,755,928.57
  5. Step 5: Solve for x
    x = 134,755,928.57/11,395.20
  6. Step 6: Final answer
    x = 11,825.67

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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.