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Finding the Fourth Proportional to 14,694.29, 22,019.81 and 8,684.18

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Solution

The fourth proportional to 14,694.29, 22,019.81 and 8,684.18 is: 13,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.29 : 22,019.81 = 8,684.18 : x
  2. Step 2: Convert to fraction form
    14,694.29/22,019.81 = 8,684.18/x
  3. Step 3: Cross multiply
    14,694.29x = 22,019.81 × 8,684.18
  4. Step 4: Simplify right side
    14,694.29x = 191,223,993.61
  5. Step 5: Solve for x
    x = 191,223,993.61/14,694.29
  6. Step 6: Final answer
    x = 13,013.49

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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.