Home / 18,555.49-27,837.84-5,407.97

Finding the Fourth Proportional to 18,555.49, 27,837.84 and 5,407.97

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Solution

The fourth proportional to 18,555.49, 27,837.84 and 5,407.97 is: 8,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.49 : 27,837.84 = 5,407.97 : x
  2. Step 2: Convert to fraction form
    18,555.49/27,837.84 = 5,407.97/x
  3. Step 3: Cross multiply
    18,555.49x = 27,837.84 × 5,407.97
  4. Step 4: Simplify right side
    18,555.49x = 150,546,203.58
  5. Step 5: Solve for x
    x = 150,546,203.58/18,555.49
  6. Step 6: Final answer
    x = 8,113.30

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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.