Home / 19,397.19-26,771.01-11,847.90

Finding the Fourth Proportional to 19,397.19, 26,771.01 and 11,847.90

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Solution

The fourth proportional to 19,397.19, 26,771.01 and 11,847.90 is: 16,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.19 : 26,771.01 = 11,847.90 : x
  2. Step 2: Convert to fraction form
    19,397.19/26,771.01 = 11,847.90/x
  3. Step 3: Cross multiply
    19,397.19x = 26,771.01 × 11,847.90
  4. Step 4: Simplify right side
    19,397.19x = 317,180,249.38
  5. Step 5: Solve for x
    x = 317,180,249.38/19,397.19
  6. Step 6: Final answer
    x = 16,351.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.