Home / 16,203.44-22,360.24-9,129.71

Finding the Fourth Proportional to 16,203.44, 22,360.24 and 9,129.71

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Solution

The fourth proportional to 16,203.44, 22,360.24 and 9,129.71 is: 12,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,203.44 : 22,360.24 = 9,129.71 : x
  2. Step 2: Convert to fraction form
    16,203.44/22,360.24 = 9,129.71/x
  3. Step 3: Cross multiply
    16,203.44x = 22,360.24 × 9,129.71
  4. Step 4: Simplify right side
    16,203.44x = 204,142,506.73
  5. Step 5: Solve for x
    x = 204,142,506.73/16,203.44
  6. Step 6: Final answer
    x = 12,598.71

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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.