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Finding the Fourth Proportional to 22,607.24, 33,899.92 and 7,810.97

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Solution

The fourth proportional to 22,607.24, 33,899.92 and 7,810.97 is: 11,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.24 : 33,899.92 = 7,810.97 : x
  2. Step 2: Convert to fraction form
    22,607.24/33,899.92 = 7,810.97/x
  3. Step 3: Cross multiply
    22,607.24x = 33,899.92 × 7,810.97
  4. Step 4: Simplify right side
    22,607.24x = 264,791,258.12
  5. Step 5: Solve for x
    x = 264,791,258.12/22,607.24
  6. Step 6: Final answer
    x = 11,712.68

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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.