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Finding the Fourth Proportional to 14,818.77, 22,218.39 and 8,882.28

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Solution

The fourth proportional to 14,818.77, 22,218.39 and 8,882.28 is: 13,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.77 : 22,218.39 = 8,882.28 : x
  2. Step 2: Convert to fraction form
    14,818.77/22,218.39 = 8,882.28/x
  3. Step 3: Cross multiply
    14,818.77x = 22,218.39 × 8,882.28
  4. Step 4: Simplify right side
    14,818.77x = 197,349,961.13
  5. Step 5: Solve for x
    x = 197,349,961.13/14,818.77
  6. Step 6: Final answer
    x = 13,317.57

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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.