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Finding the Fourth Proportional to 14,505.84, 20,018.03 and 8,218.22

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Solution

The fourth proportional to 14,505.84, 20,018.03 and 8,218.22 is: 11,341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.84 : 20,018.03 = 8,218.22 : x
  2. Step 2: Convert to fraction form
    14,505.84/20,018.03 = 8,218.22/x
  3. Step 3: Cross multiply
    14,505.84x = 20,018.03 × 8,218.22
  4. Step 4: Simplify right side
    14,505.84x = 164,512,433.33
  5. Step 5: Solve for x
    x = 164,512,433.33/14,505.84
  6. Step 6: Final answer
    x = 11,341.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.