Home / 13,918.17-20,862.66-6,516.39

Finding the Fourth Proportional to 13,918.17, 20,862.66 and 6,516.39

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Solution

The fourth proportional to 13,918.17, 20,862.66 and 6,516.39 is: 9,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.17 : 20,862.66 = 6,516.39 : x
  2. Step 2: Convert to fraction form
    13,918.17/20,862.66 = 6,516.39/x
  3. Step 3: Cross multiply
    13,918.17x = 20,862.66 × 6,516.39
  4. Step 4: Simplify right side
    13,918.17x = 135,949,229.00
  5. Step 5: Solve for x
    x = 135,949,229.00/13,918.17
  6. Step 6: Final answer
    x = 9,767.75

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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.