Home / 18,211.40-27,296.59-9,301.80

Finding the Fourth Proportional to 18,211.40, 27,296.59 and 9,301.80

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Solution

The fourth proportional to 18,211.40, 27,296.59 and 9,301.80 is: 13,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.40 : 27,296.59 = 9,301.80 : x
  2. Step 2: Convert to fraction form
    18,211.40/27,296.59 = 9,301.80/x
  3. Step 3: Cross multiply
    18,211.40x = 27,296.59 × 9,301.80
  4. Step 4: Simplify right side
    18,211.40x = 253,907,397.61
  5. Step 5: Solve for x
    x = 253,907,397.61/18,211.40
  6. Step 6: Final answer
    x = 13,942.23

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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.