Home / 18,603.06-27,908.49-5,454.36

Finding the Fourth Proportional to 18,603.06, 27,908.49 and 5,454.36

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Solution

The fourth proportional to 18,603.06, 27,908.49 and 5,454.36 is: 8,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.06 : 27,908.49 = 5,454.36 : x
  2. Step 2: Convert to fraction form
    18,603.06/27,908.49 = 5,454.36/x
  3. Step 3: Cross multiply
    18,603.06x = 27,908.49 × 5,454.36
  4. Step 4: Simplify right side
    18,603.06x = 152,222,951.52
  5. Step 5: Solve for x
    x = 152,222,951.52/18,603.06
  6. Step 6: Final answer
    x = 8,182.68

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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.