Home / 18,297.22-27,443.40-5,150.72

Finding the Fourth Proportional to 18,297.22, 27,443.40 and 5,150.72

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Solution

The fourth proportional to 18,297.22, 27,443.40 and 5,150.72 is: 7,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.22 : 27,443.40 = 5,150.72 : x
  2. Step 2: Convert to fraction form
    18,297.22/27,443.40 = 5,150.72/x
  3. Step 3: Cross multiply
    18,297.22x = 27,443.40 × 5,150.72
  4. Step 4: Simplify right side
    18,297.22x = 141,353,269.25
  5. Step 5: Solve for x
    x = 141,353,269.25/18,297.22
  6. Step 6: Final answer
    x = 7,725.40

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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.