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Finding the Fourth Proportional to 16,011, 22,095.96 and 8,937.28

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Solution

The fourth proportional to 16,011, 22,095.96 and 8,937.28 is: 12,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,011 : 22,095.96 = 8,937.28 : x
  2. Step 2: Convert to fraction form
    16,011/22,095.96 = 8,937.28/x
  3. Step 3: Cross multiply
    16,011x = 22,095.96 × 8,937.28
  4. Step 4: Simplify right side
    16,011x = 197,477,781.39
  5. Step 5: Solve for x
    x = 197,477,781.39/16,011
  6. Step 6: Final answer
    x = 12,333.88

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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.