Home / 12,163.88-18,246.71-4,265.51

Finding the Fourth Proportional to 12,163.88, 18,246.71 and 4,265.51

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Solution

The fourth proportional to 12,163.88, 18,246.71 and 4,265.51 is: 6,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.88 : 18,246.71 = 4,265.51 : x
  2. Step 2: Convert to fraction form
    12,163.88/18,246.71 = 4,265.51/x
  3. Step 3: Cross multiply
    12,163.88x = 18,246.71 × 4,265.51
  4. Step 4: Simplify right side
    12,163.88x = 77,831,443.40
  5. Step 5: Solve for x
    x = 77,831,443.40/12,163.88
  6. Step 6: Final answer
    x = 6,398.57

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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.