Home / 11,347.19-17,009.17-3,945.58

Finding the Fourth Proportional to 11,347.19, 17,009.17 and 3,945.58

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Solution

The fourth proportional to 11,347.19, 17,009.17 and 3,945.58 is: 5,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.19 : 17,009.17 = 3,945.58 : x
  2. Step 2: Convert to fraction form
    11,347.19/17,009.17 = 3,945.58/x
  3. Step 3: Cross multiply
    11,347.19x = 17,009.17 × 3,945.58
  4. Step 4: Simplify right side
    11,347.19x = 67,111,040.97
  5. Step 5: Solve for x
    x = 67,111,040.97/11,347.19
  6. Step 6: Final answer
    x = 5,914.33

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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.