Home / 16,743.78-23,106.32-9,189.92

Finding the Fourth Proportional to 16,743.78, 23,106.32 and 9,189.92

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Solution

The fourth proportional to 16,743.78, 23,106.32 and 9,189.92 is: 12,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,743.78 : 23,106.32 = 9,189.92 : x
  2. Step 2: Convert to fraction form
    16,743.78/23,106.32 = 9,189.92/x
  3. Step 3: Cross multiply
    16,743.78x = 23,106.32 × 9,189.92
  4. Step 4: Simplify right side
    16,743.78x = 212,345,232.29
  5. Step 5: Solve for x
    x = 212,345,232.29/16,743.78
  6. Step 6: Final answer
    x = 12,682.04

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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.