Home / 11,101.23-16,637.49-8,305.97

Finding the Fourth Proportional to 11,101.23, 16,637.49 and 8,305.97

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Solution

The fourth proportional to 11,101.23, 16,637.49 and 8,305.97 is: 12,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.23 : 16,637.49 = 8,305.97 : x
  2. Step 2: Convert to fraction form
    11,101.23/16,637.49 = 8,305.97/x
  3. Step 3: Cross multiply
    11,101.23x = 16,637.49 × 8,305.97
  4. Step 4: Simplify right side
    11,101.23x = 138,190,492.82
  5. Step 5: Solve for x
    x = 138,190,492.82/11,101.23
  6. Step 6: Final answer
    x = 12,448.21

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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.