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Finding the Fourth Proportional to 16,293.12, 22,484.52 and 8,841.12

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Solution

The fourth proportional to 16,293.12, 22,484.52 and 8,841.12 is: 12,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,293.12 : 22,484.52 = 8,841.12 : x
  2. Step 2: Convert to fraction form
    16,293.12/22,484.52 = 8,841.12/x
  3. Step 3: Cross multiply
    16,293.12x = 22,484.52 × 8,841.12
  4. Step 4: Simplify right side
    16,293.12x = 198,788,339.46
  5. Step 5: Solve for x
    x = 198,788,339.46/16,293.12
  6. Step 6: Final answer
    x = 12,200.75

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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.