Home / 18,220.56-27,326.97-5,069.40

Finding the Fourth Proportional to 18,220.56, 27,326.97 and 5,069.40

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Solution

The fourth proportional to 18,220.56, 27,326.97 and 5,069.40 is: 7,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.56 : 27,326.97 = 5,069.40 : x
  2. Step 2: Convert to fraction form
    18,220.56/27,326.97 = 5,069.40/x
  3. Step 3: Cross multiply
    18,220.56x = 27,326.97 × 5,069.40
  4. Step 4: Simplify right side
    18,220.56x = 138,531,341.72
  5. Step 5: Solve for x
    x = 138,531,341.72/18,220.56
  6. Step 6: Final answer
    x = 7,603.02

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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.