Home / 18,287.73-27,435.69-5,808.15

Finding the Fourth Proportional to 18,287.73, 27,435.69 and 5,808.15

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Solution

The fourth proportional to 18,287.73, 27,435.69 and 5,808.15 is: 8,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.73 : 27,435.69 = 5,808.15 : x
  2. Step 2: Convert to fraction form
    18,287.73/27,435.69 = 5,808.15/x
  3. Step 3: Cross multiply
    18,287.73x = 27,435.69 × 5,808.15
  4. Step 4: Simplify right side
    18,287.73x = 159,350,602.87
  5. Step 5: Solve for x
    x = 159,350,602.87/18,287.73
  6. Step 6: Final answer
    x = 8,713.53

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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.