Home / 18,255.84-27,388.62-5,776.10

Finding the Fourth Proportional to 18,255.84, 27,388.62 and 5,776.10

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Solution

The fourth proportional to 18,255.84, 27,388.62 and 5,776.10 is: 8,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.84 : 27,388.62 = 5,776.10 : x
  2. Step 2: Convert to fraction form
    18,255.84/27,388.62 = 5,776.10/x
  3. Step 3: Cross multiply
    18,255.84x = 27,388.62 × 5,776.10
  4. Step 4: Simplify right side
    18,255.84x = 158,199,407.98
  5. Step 5: Solve for x
    x = 158,199,407.98/18,255.84
  6. Step 6: Final answer
    x = 8,665.69

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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.