Home / 18,259.45-27,393.30-5,780.23

Finding the Fourth Proportional to 18,259.45, 27,393.30 and 5,780.23

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Solution

The fourth proportional to 18,259.45, 27,393.30 and 5,780.23 is: 8,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.45 : 27,393.30 = 5,780.23 : x
  2. Step 2: Convert to fraction form
    18,259.45/27,393.30 = 5,780.23/x
  3. Step 3: Cross multiply
    18,259.45x = 27,393.30 × 5,780.23
  4. Step 4: Simplify right side
    18,259.45x = 158,339,505.98
  5. Step 5: Solve for x
    x = 158,339,505.98/18,259.45
  6. Step 6: Final answer
    x = 8,671.65

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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.