Home / 18,221.49-27,347.09-9,458.91

Finding the Fourth Proportional to 18,221.49, 27,347.09 and 9,458.91

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Solution

The fourth proportional to 18,221.49, 27,347.09 and 9,458.91 is: 14,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.49 : 27,347.09 = 9,458.91 : x
  2. Step 2: Convert to fraction form
    18,221.49/27,347.09 = 9,458.91/x
  3. Step 3: Cross multiply
    18,221.49x = 27,347.09 × 9,458.91
  4. Step 4: Simplify right side
    18,221.49x = 258,673,615.78
  5. Step 5: Solve for x
    x = 258,673,615.78/18,221.49
  6. Step 6: Final answer
    x = 14,196.07

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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.