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Finding the Fourth Proportional to 14,167.17, 19,551.11 and 8,200.71

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Solution

The fourth proportional to 14,167.17, 19,551.11 and 8,200.71 is: 11,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.17 : 19,551.11 = 8,200.71 : x
  2. Step 2: Convert to fraction form
    14,167.17/19,551.11 = 8,200.71/x
  3. Step 3: Cross multiply
    14,167.17x = 19,551.11 × 8,200.71
  4. Step 4: Simplify right side
    14,167.17x = 160,332,942.28
  5. Step 5: Solve for x
    x = 160,332,942.28/14,167.17
  6. Step 6: Final answer
    x = 11,317.22

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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.