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Finding the Fourth Proportional to 14,444.70, 21,639.02 and 8,185.47

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Solution

The fourth proportional to 14,444.70, 21,639.02 and 8,185.47 is: 12,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,444.70 : 21,639.02 = 8,185.47 : x
  2. Step 2: Convert to fraction form
    14,444.70/21,639.02 = 8,185.47/x
  3. Step 3: Cross multiply
    14,444.70x = 21,639.02 × 8,185.47
  4. Step 4: Simplify right side
    14,444.70x = 177,125,508.11
  5. Step 5: Solve for x
    x = 177,125,508.11/14,444.70
  6. Step 6: Final answer
    x = 12,262.32

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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.