Home / 18,251.72-27,386.01-7,161.35

Finding the Fourth Proportional to 18,251.72, 27,386.01 and 7,161.35

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Solution

The fourth proportional to 18,251.72, 27,386.01 and 7,161.35 is: 10,745.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.72 : 27,386.01 = 7,161.35 : x
  2. Step 2: Convert to fraction form
    18,251.72/27,386.01 = 7,161.35/x
  3. Step 3: Cross multiply
    18,251.72x = 27,386.01 × 7,161.35
  4. Step 4: Simplify right side
    18,251.72x = 196,120,746.07
  5. Step 5: Solve for x
    x = 196,120,746.07/18,251.72
  6. Step 6: Final answer
    x = 10,745.33

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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.