Home / 11,512.17-15,886.22-6,795.54

Finding the Fourth Proportional to 11,512.17, 15,886.22 and 6,795.54

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Solution

The fourth proportional to 11,512.17, 15,886.22 and 6,795.54 is: 9,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.17 : 15,886.22 = 6,795.54 : x
  2. Step 2: Convert to fraction form
    11,512.17/15,886.22 = 6,795.54/x
  3. Step 3: Cross multiply
    11,512.17x = 15,886.22 × 6,795.54
  4. Step 4: Simplify right side
    11,512.17x = 107,955,409.48
  5. Step 5: Solve for x
    x = 107,955,409.48/11,512.17
  6. Step 6: Final answer
    x = 9,377.50

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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.