Home / 11,877.70-16,412.92-11,301.26

Finding the Fourth Proportional to 11,877.70, 16,412.92 and 11,301.26

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Solution

The fourth proportional to 11,877.70, 16,412.92 and 11,301.26 is: 15,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.70 : 16,412.92 = 11,301.26 : x
  2. Step 2: Convert to fraction form
    11,877.70/16,412.92 = 11,301.26/x
  3. Step 3: Cross multiply
    11,877.70x = 16,412.92 × 11,301.26
  4. Step 4: Simplify right side
    11,877.70x = 185,486,676.28
  5. Step 5: Solve for x
    x = 185,486,676.28/11,877.70
  6. Step 6: Final answer
    x = 15,616.38

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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.