Home / 17,434.78-26,137.52-12,154.27

Finding the Fourth Proportional to 17,434.78, 26,137.52 and 12,154.27

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Solution

The fourth proportional to 17,434.78, 26,137.52 and 12,154.27 is: 18,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,434.78 : 26,137.52 = 12,154.27 : x
  2. Step 2: Convert to fraction form
    17,434.78/26,137.52 = 12,154.27/x
  3. Step 3: Cross multiply
    17,434.78x = 26,137.52 × 12,154.27
  4. Step 4: Simplify right side
    17,434.78x = 317,682,475.21
  5. Step 5: Solve for x
    x = 317,682,475.21/17,434.78
  6. Step 6: Final answer
    x = 18,221.19

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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.