Home / 22,789.16-34,160.38-8,745.40

Finding the Fourth Proportional to 22,789.16, 34,160.38 and 8,745.40

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Solution

The fourth proportional to 22,789.16, 34,160.38 and 8,745.40 is: 13,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,789.16 : 34,160.38 = 8,745.40 : x
  2. Step 2: Convert to fraction form
    22,789.16/34,160.38 = 8,745.40/x
  3. Step 3: Cross multiply
    22,789.16x = 34,160.38 × 8,745.40
  4. Step 4: Simplify right side
    22,789.16x = 298,746,187.25
  5. Step 5: Solve for x
    x = 298,746,187.25/22,789.16
  6. Step 6: Final answer
    x = 13,109.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.