Home / 16,140.44-22,280.09-10,170.94

Finding the Fourth Proportional to 16,140.44, 22,280.09 and 10,170.94

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Solution

The fourth proportional to 16,140.44, 22,280.09 and 10,170.94 is: 14,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.44 : 22,280.09 = 10,170.94 : x
  2. Step 2: Convert to fraction form
    16,140.44/22,280.09 = 10,170.94/x
  3. Step 3: Cross multiply
    16,140.44x = 22,280.09 × 10,170.94
  4. Step 4: Simplify right side
    16,140.44x = 226,609,458.58
  5. Step 5: Solve for x
    x = 226,609,458.58/16,140.44
  6. Step 6: Final answer
    x = 14,039.86

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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.