Home / 18,154.98-27,244.35-7,767.54

Finding the Fourth Proportional to 18,154.98, 27,244.35 and 7,767.54

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Solution

The fourth proportional to 18,154.98, 27,244.35 and 7,767.54 is: 11,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.98 : 27,244.35 = 7,767.54 : x
  2. Step 2: Convert to fraction form
    18,154.98/27,244.35 = 7,767.54/x
  3. Step 3: Cross multiply
    18,154.98x = 27,244.35 × 7,767.54
  4. Step 4: Simplify right side
    18,154.98x = 211,621,578.40
  5. Step 5: Solve for x
    x = 211,621,578.40/18,154.98
  6. Step 6: Final answer
    x = 11,656.39

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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.