Home / 15,016.38-22,555.71-11,918.22

Finding the Fourth Proportional to 15,016.38, 22,555.71 and 11,918.22

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Solution

The fourth proportional to 15,016.38, 22,555.71 and 11,918.22 is: 17,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016.38 : 22,555.71 = 11,918.22 : x
  2. Step 2: Convert to fraction form
    15,016.38/22,555.71 = 11,918.22/x
  3. Step 3: Cross multiply
    15,016.38x = 22,555.71 × 11,918.22
  4. Step 4: Simplify right side
    15,016.38x = 268,823,914.04
  5. Step 5: Solve for x
    x = 268,823,914.04/15,016.38
  6. Step 6: Final answer
    x = 17,902.05

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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.