Home / 11,699.32-17,548.98-3,908.74

Finding the Fourth Proportional to 11,699.32, 17,548.98 and 3,908.74

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Solution

The fourth proportional to 11,699.32, 17,548.98 and 3,908.74 is: 5,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.32 : 17,548.98 = 3,908.74 : x
  2. Step 2: Convert to fraction form
    11,699.32/17,548.98 = 3,908.74/x
  3. Step 3: Cross multiply
    11,699.32x = 17,548.98 × 3,908.74
  4. Step 4: Simplify right side
    11,699.32x = 68,594,400.09
  5. Step 5: Solve for x
    x = 68,594,400.09/11,699.32
  6. Step 6: Final answer
    x = 5,863.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.