Home / 11,707.20-17,560.26-3,386.97

Finding the Fourth Proportional to 11,707.20, 17,560.26 and 3,386.97

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Solution

The fourth proportional to 11,707.20, 17,560.26 and 3,386.97 is: 5,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.20 : 17,560.26 = 3,386.97 : x
  2. Step 2: Convert to fraction form
    11,707.20/17,560.26 = 3,386.97/x
  3. Step 3: Cross multiply
    11,707.20x = 17,560.26 × 3,386.97
  4. Step 4: Simplify right side
    11,707.20x = 59,476,073.81
  5. Step 5: Solve for x
    x = 59,476,073.81/11,707.20
  6. Step 6: Final answer
    x = 5,080.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.