Home / 16,830.78-23,226.35-9,174.04

Finding the Fourth Proportional to 16,830.78, 23,226.35 and 9,174.04

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Solution

The fourth proportional to 16,830.78, 23,226.35 and 9,174.04 is: 12,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.78 : 23,226.35 = 9,174.04 : x
  2. Step 2: Convert to fraction form
    16,830.78/23,226.35 = 9,174.04/x
  3. Step 3: Cross multiply
    16,830.78x = 23,226.35 × 9,174.04
  4. Step 4: Simplify right side
    16,830.78x = 213,079,301.95
  5. Step 5: Solve for x
    x = 213,079,301.95/16,830.78
  6. Step 6: Final answer
    x = 12,660.10

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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.