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Finding the Fourth Proportional to 16,623.35, 22,937.09 and 9,909.60

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Solution

The fourth proportional to 16,623.35, 22,937.09 and 9,909.60 is: 13,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,623.35 : 22,937.09 = 9,909.60 : x
  2. Step 2: Convert to fraction form
    16,623.35/22,937.09 = 9,909.60/x
  3. Step 3: Cross multiply
    16,623.35x = 22,937.09 × 9,909.60
  4. Step 4: Simplify right side
    16,623.35x = 227,297,426.71
  5. Step 5: Solve for x
    x = 227,297,426.71/16,623.35
  6. Step 6: Final answer
    x = 13,673.38

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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.