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Finding the Fourth Proportional to 14,366.26, 19,823.13 and 8,078.26

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Solution

The fourth proportional to 14,366.26, 19,823.13 and 8,078.26 is: 11,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.26 : 19,823.13 = 8,078.26 : x
  2. Step 2: Convert to fraction form
    14,366.26/19,823.13 = 8,078.26/x
  3. Step 3: Cross multiply
    14,366.26x = 19,823.13 × 8,078.26
  4. Step 4: Simplify right side
    14,366.26x = 160,136,398.15
  5. Step 5: Solve for x
    x = 160,136,398.15/14,366.26
  6. Step 6: Final answer
    x = 11,146.70

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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.