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Finding the Fourth Proportional to 22,606.74, 33,899.16 and 7,810.48

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Solution

The fourth proportional to 22,606.74, 33,899.16 and 7,810.48 is: 11,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,606.74 : 33,899.16 = 7,810.48 : x
  2. Step 2: Convert to fraction form
    22,606.74/33,899.16 = 7,810.48/x
  3. Step 3: Cross multiply
    22,606.74x = 33,899.16 × 7,810.48
  4. Step 4: Simplify right side
    22,606.74x = 264,768,711.20
  5. Step 5: Solve for x
    x = 264,768,711.20/22,606.74
  6. Step 6: Final answer
    x = 11,711.94

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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.