Home / 11,009.21-16,515.32-3,614.40

Finding the Fourth Proportional to 11,009.21, 16,515.32 and 3,614.40

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Solution

The fourth proportional to 11,009.21, 16,515.32 and 3,614.40 is: 5,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.21 : 16,515.32 = 3,614.40 : x
  2. Step 2: Convert to fraction form
    11,009.21/16,515.32 = 3,614.40/x
  3. Step 3: Cross multiply
    11,009.21x = 16,515.32 × 3,614.40
  4. Step 4: Simplify right side
    11,009.21x = 59,692,954.54
  5. Step 5: Solve for x
    x = 59,692,954.54/11,009.21
  6. Step 6: Final answer
    x = 5,422.09

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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.