Home / 11,924.31-16,456.32-6,888.75

Finding the Fourth Proportional to 11,924.31, 16,456.32 and 6,888.75

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Solution

The fourth proportional to 11,924.31, 16,456.32 and 6,888.75 is: 9,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.31 : 16,456.32 = 6,888.75 : x
  2. Step 2: Convert to fraction form
    11,924.31/16,456.32 = 6,888.75/x
  3. Step 3: Cross multiply
    11,924.31x = 16,456.32 × 6,888.75
  4. Step 4: Simplify right side
    11,924.31x = 113,363,474.40
  5. Step 5: Solve for x
    x = 113,363,474.40/11,924.31
  6. Step 6: Final answer
    x = 9,506.92

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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.