Home / 18,020.77-27,027.39-4,870.06

Finding the Fourth Proportional to 18,020.77, 27,027.39 and 4,870.06

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Solution

The fourth proportional to 18,020.77, 27,027.39 and 4,870.06 is: 7,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.77 : 27,027.39 = 4,870.06 : x
  2. Step 2: Convert to fraction form
    18,020.77/27,027.39 = 4,870.06/x
  3. Step 3: Cross multiply
    18,020.77x = 27,027.39 × 4,870.06
  4. Step 4: Simplify right side
    18,020.77x = 131,625,010.94
  5. Step 5: Solve for x
    x = 131,625,010.94/18,020.77
  6. Step 6: Final answer
    x = 7,304.07

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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.