Home / 11,924.37-16,456.38-6,888.80

Finding the Fourth Proportional to 11,924.37, 16,456.38 and 6,888.80

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Solution

The fourth proportional to 11,924.37, 16,456.38 and 6,888.80 is: 9,506.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.37 : 16,456.38 = 6,888.80 : x
  2. Step 2: Convert to fraction form
    11,924.37/16,456.38 = 6,888.80/x
  3. Step 3: Cross multiply
    11,924.37x = 16,456.38 × 6,888.80
  4. Step 4: Simplify right side
    11,924.37x = 113,364,676.10
  5. Step 5: Solve for x
    x = 113,364,676.10/11,924.37
  6. Step 6: Final answer
    x = 9,506.97

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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.