Home / 18,447.90-27,668.16-5,297.19

Finding the Fourth Proportional to 18,447.90, 27,668.16 and 5,297.19

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Solution

The fourth proportional to 18,447.90, 27,668.16 and 5,297.19 is: 7,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.90 : 27,668.16 = 5,297.19 : x
  2. Step 2: Convert to fraction form
    18,447.90/27,668.16 = 5,297.19/x
  3. Step 3: Cross multiply
    18,447.90x = 27,668.16 × 5,297.19
  4. Step 4: Simplify right side
    18,447.90x = 146,563,500.47
  5. Step 5: Solve for x
    x = 146,563,500.47/18,447.90
  6. Step 6: Final answer
    x = 7,944.73

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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.