Home / 11,839.15-16,335.84-7,590.97

Finding the Fourth Proportional to 11,839.15, 16,335.84 and 7,590.97

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Solution

The fourth proportional to 11,839.15, 16,335.84 and 7,590.97 is: 10,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.15 : 16,335.84 = 7,590.97 : x
  2. Step 2: Convert to fraction form
    11,839.15/16,335.84 = 7,590.97/x
  3. Step 3: Cross multiply
    11,839.15x = 16,335.84 × 7,590.97
  4. Step 4: Simplify right side
    11,839.15x = 124,004,871.36
  5. Step 5: Solve for x
    x = 124,004,871.36/11,839.15
  6. Step 6: Final answer
    x = 10,474.14

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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.