Home / 18,347.87-27,397.11-17,308.36

Finding the Fourth Proportional to 18,347.87, 27,397.11 and 17,308.36

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Solution

The fourth proportional to 18,347.87, 27,397.11 and 17,308.36 is: 25,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.87 : 27,397.11 = 17,308.36 : x
  2. Step 2: Convert to fraction form
    18,347.87/27,397.11 = 17,308.36/x
  3. Step 3: Cross multiply
    18,347.87x = 27,397.11 × 17,308.36
  4. Step 4: Simplify right side
    18,347.87x = 474,199,016.26
  5. Step 5: Solve for x
    x = 474,199,016.26/18,347.87
  6. Step 6: Final answer
    x = 25,844.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.