Home / 11,080.40-15,291.18-6,300.18

Finding the Fourth Proportional to 11,080.40, 15,291.18 and 6,300.18

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Solution

The fourth proportional to 11,080.40, 15,291.18 and 6,300.18 is: 8,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.40 : 15,291.18 = 6,300.18 : x
  2. Step 2: Convert to fraction form
    11,080.40/15,291.18 = 6,300.18/x
  3. Step 3: Cross multiply
    11,080.40x = 15,291.18 × 6,300.18
  4. Step 4: Simplify right side
    11,080.40x = 96,337,186.41
  5. Step 5: Solve for x
    x = 96,337,186.41/11,080.40
  6. Step 6: Final answer
    x = 8,694.38

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Double scale
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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.