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Finding the Fourth Proportional to 14,472.62, 19,968.22 and 8,502.11

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Solution

The fourth proportional to 14,472.62, 19,968.22 and 8,502.11 is: 11,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.62 : 19,968.22 = 8,502.11 : x
  2. Step 2: Convert to fraction form
    14,472.62/19,968.22 = 8,502.11/x
  3. Step 3: Cross multiply
    14,472.62x = 19,968.22 × 8,502.11
  4. Step 4: Simplify right side
    14,472.62x = 169,772,100.93
  5. Step 5: Solve for x
    x = 169,772,100.93/14,472.62
  6. Step 6: Final answer
    x = 11,730.57

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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.