Home / 18,206.49-27,320.35-7,675.87

Finding the Fourth Proportional to 18,206.49, 27,320.35 and 7,675.87

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Solution

The fourth proportional to 18,206.49, 27,320.35 and 7,675.87 is: 11,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.49 : 27,320.35 = 7,675.87 : x
  2. Step 2: Convert to fraction form
    18,206.49/27,320.35 = 7,675.87/x
  3. Step 3: Cross multiply
    18,206.49x = 27,320.35 × 7,675.87
  4. Step 4: Simplify right side
    18,206.49x = 209,707,454.95
  5. Step 5: Solve for x
    x = 209,707,454.95/18,206.49
  6. Step 6: Final answer
    x = 11,518.28

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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.