Home / 18,259.32-27,391.74-5,775.18

Finding the Fourth Proportional to 18,259.32, 27,391.74 and 5,775.18

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Solution

The fourth proportional to 18,259.32, 27,391.74 and 5,775.18 is: 8,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.32 : 27,391.74 = 5,775.18 : x
  2. Step 2: Convert to fraction form
    18,259.32/27,391.74 = 5,775.18/x
  3. Step 3: Cross multiply
    18,259.32x = 27,391.74 × 5,775.18
  4. Step 4: Simplify right side
    18,259.32x = 158,192,229.01
  5. Step 5: Solve for x
    x = 158,192,229.01/18,259.32
  6. Step 6: Final answer
    x = 8,663.64

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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.