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Finding the Fourth Proportional to 9,126.84, 13,625.43 and 8,802.84

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Solution

The fourth proportional to 9,126.84, 13,625.43 and 8,802.84 is: 13,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.84 : 13,625.43 = 8,802.84 : x
  2. Step 2: Convert to fraction form
    9,126.84/13,625.43 = 8,802.84/x
  3. Step 3: Cross multiply
    9,126.84x = 13,625.43 × 8,802.84
  4. Step 4: Simplify right side
    9,126.84x = 119,942,480.22
  5. Step 5: Solve for x
    x = 119,942,480.22/9,126.84
  6. Step 6: Final answer
    x = 13,141.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.