Home / 14,918.39-20,587.91-8,204.54

Finding the Fourth Proportional to 14,918.39, 20,587.91 and 8,204.54

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Solution

The fourth proportional to 14,918.39, 20,587.91 and 8,204.54 is: 11,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.39 : 20,587.91 = 8,204.54 : x
  2. Step 2: Convert to fraction form
    14,918.39/20,587.91 = 8,204.54/x
  3. Step 3: Cross multiply
    14,918.39x = 20,587.91 × 8,204.54
  4. Step 4: Simplify right side
    14,918.39x = 168,914,187.15
  5. Step 5: Solve for x
    x = 168,914,187.15/14,918.39
  6. Step 6: Final answer
    x = 11,322.55

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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.