Home / 11,531.52-15,914.34-6,819.48

Finding the Fourth Proportional to 11,531.52, 15,914.34 and 6,819.48

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Solution

The fourth proportional to 11,531.52, 15,914.34 and 6,819.48 is: 9,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.52 : 15,914.34 = 6,819.48 : x
  2. Step 2: Convert to fraction form
    11,531.52/15,914.34 = 6,819.48/x
  3. Step 3: Cross multiply
    11,531.52x = 15,914.34 × 6,819.48
  4. Step 4: Simplify right side
    11,531.52x = 108,527,523.34
  5. Step 5: Solve for x
    x = 108,527,523.34/11,531.52
  6. Step 6: Final answer
    x = 9,411.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.