Home / 18,384.41-27,552.38-7,285.05

Finding the Fourth Proportional to 18,384.41, 27,552.38 and 7,285.05

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Solution

The fourth proportional to 18,384.41, 27,552.38 and 7,285.05 is: 10,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.41 : 27,552.38 = 7,285.05 : x
  2. Step 2: Convert to fraction form
    18,384.41/27,552.38 = 7,285.05/x
  3. Step 3: Cross multiply
    18,384.41x = 27,552.38 × 7,285.05
  4. Step 4: Simplify right side
    18,384.41x = 200,720,360.47
  5. Step 5: Solve for x
    x = 200,720,360.47/18,384.41
  6. Step 6: Final answer
    x = 10,917.96

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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.