Home / 11,080.14-15,305.18-8,214.68

Finding the Fourth Proportional to 11,080.14, 15,305.18 and 8,214.68

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Solution

The fourth proportional to 11,080.14, 15,305.18 and 8,214.68 is: 11,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.14 : 15,305.18 = 8,214.68 : x
  2. Step 2: Convert to fraction form
    11,080.14/15,305.18 = 8,214.68/x
  3. Step 3: Cross multiply
    11,080.14x = 15,305.18 × 8,214.68
  4. Step 4: Simplify right side
    11,080.14x = 125,727,038.44
  5. Step 5: Solve for x
    x = 125,727,038.44/11,080.14
  6. Step 6: Final answer
    x = 11,347.06

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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.