Home / 11,080.80-15,370.56-10,707.84

Finding the Fourth Proportional to 11,080.80, 15,370.56 and 10,707.84

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Solution

The fourth proportional to 11,080.80, 15,370.56 and 10,707.84 is: 14,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.80 : 15,370.56 = 10,707.84 : x
  2. Step 2: Convert to fraction form
    11,080.80/15,370.56 = 10,707.84/x
  3. Step 3: Cross multiply
    11,080.80x = 15,370.56 × 10,707.84
  4. Step 4: Simplify right side
    11,080.80x = 164,585,497.19
  5. Step 5: Solve for x
    x = 164,585,497.19/11,080.80
  6. Step 6: Final answer
    x = 14,853.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.