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Finding the Fourth Proportional to 22,775.73, 34,155.39 and 9,629.13

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Solution

The fourth proportional to 22,775.73, 34,155.39 and 9,629.13 is: 14,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.73 : 34,155.39 = 9,629.13 : x
  2. Step 2: Convert to fraction form
    22,775.73/34,155.39 = 9,629.13/x
  3. Step 3: Cross multiply
    22,775.73x = 34,155.39 × 9,629.13
  4. Step 4: Simplify right side
    22,775.73x = 328,886,690.51
  5. Step 5: Solve for x
    x = 328,886,690.51/22,775.73
  6. Step 6: Final answer
    x = 14,440.23

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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.