Home / 11,142.18-16,801.74-10,993.95

Finding the Fourth Proportional to 11,142.18, 16,801.74 and 10,993.95

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Solution

The fourth proportional to 11,142.18, 16,801.74 and 10,993.95 is: 16,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.18 : 16,801.74 = 10,993.95 : x
  2. Step 2: Convert to fraction form
    11,142.18/16,801.74 = 10,993.95/x
  3. Step 3: Cross multiply
    11,142.18x = 16,801.74 × 10,993.95
  4. Step 4: Simplify right side
    11,142.18x = 184,717,489.47
  5. Step 5: Solve for x
    x = 184,717,489.47/11,142.18
  6. Step 6: Final answer
    x = 16,578.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.