Home / 11,708.10-17,559.50-3,386.28

Finding the Fourth Proportional to 11,708.10, 17,559.50 and 3,386.28

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Solution

The fourth proportional to 11,708.10, 17,559.50 and 3,386.28 is: 5,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.10 : 17,559.50 = 3,386.28 : x
  2. Step 2: Convert to fraction form
    11,708.10/17,559.50 = 3,386.28/x
  3. Step 3: Cross multiply
    11,708.10x = 17,559.50 × 3,386.28
  4. Step 4: Simplify right side
    11,708.10x = 59,461,383.66
  5. Step 5: Solve for x
    x = 59,461,383.66/11,708.10
  6. Step 6: Final answer
    x = 5,078.65

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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.