Home / 18,288.00-27,421.73-5,805.70

Finding the Fourth Proportional to 18,288.00, 27,421.73 and 5,805.70

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Solution

The fourth proportional to 18,288.00, 27,421.73 and 5,805.70 is: 8,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.00 : 27,421.73 = 5,805.70 : x
  2. Step 2: Convert to fraction form
    18,288.00/27,421.73 = 5,805.70/x
  3. Step 3: Cross multiply
    18,288.00x = 27,421.73 × 5,805.70
  4. Step 4: Simplify right side
    18,288.00x = 159,202,200.75
  5. Step 5: Solve for x
    x = 159,202,200.75/18,288.00
  6. Step 6: Final answer
    x = 8,705.28

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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.