Home / 11,233.76-15,491.51-8,714.95

Finding the Fourth Proportional to 11,233.76, 15,491.51 and 8,714.95

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Solution

The fourth proportional to 11,233.76, 15,491.51 and 8,714.95 is: 12,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,233.76 : 15,491.51 = 8,714.95 : x
  2. Step 2: Convert to fraction form
    11,233.76/15,491.51 = 8,714.95/x
  3. Step 3: Cross multiply
    11,233.76x = 15,491.51 × 8,714.95
  4. Step 4: Simplify right side
    11,233.76x = 135,007,735.07
  5. Step 5: Solve for x
    x = 135,007,735.07/11,233.76
  6. Step 6: Final answer
    x = 12,018.04

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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.