Home / 11,864.63-16,374.82-6,828.75

Finding the Fourth Proportional to 11,864.63, 16,374.82 and 6,828.75

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Solution

The fourth proportional to 11,864.63, 16,374.82 and 6,828.75 is: 9,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.63 : 16,374.82 = 6,828.75 : x
  2. Step 2: Convert to fraction form
    11,864.63/16,374.82 = 6,828.75/x
  3. Step 3: Cross multiply
    11,864.63x = 16,374.82 × 6,828.75
  4. Step 4: Simplify right side
    11,864.63x = 111,819,436.06
  5. Step 5: Solve for x
    x = 111,819,436.06/11,864.63
  6. Step 6: Final answer
    x = 9,424.60

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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.