Home / 11,399.95-17,098.21-3,607.75

Finding the Fourth Proportional to 11,399.95, 17,098.21 and 3,607.75

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Solution

The fourth proportional to 11,399.95, 17,098.21 and 3,607.75 is: 5,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,399.95 : 17,098.21 = 3,607.75 : x
  2. Step 2: Convert to fraction form
    11,399.95/17,098.21 = 3,607.75/x
  3. Step 3: Cross multiply
    11,399.95x = 17,098.21 × 3,607.75
  4. Step 4: Simplify right side
    11,399.95x = 61,686,067.13
  5. Step 5: Solve for x
    x = 61,686,067.13/11,399.95
  6. Step 6: Final answer
    x = 5,411.08

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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.