Home / 16,623.78-22,943.80-9,909.85

Finding the Fourth Proportional to 16,623.78, 22,943.80 and 9,909.85

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Solution

The fourth proportional to 16,623.78, 22,943.80 and 9,909.85 is: 13,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,623.78 : 22,943.80 = 9,909.85 : x
  2. Step 2: Convert to fraction form
    16,623.78/22,943.80 = 9,909.85/x
  3. Step 3: Cross multiply
    16,623.78x = 22,943.80 × 9,909.85
  4. Step 4: Simplify right side
    16,623.78x = 227,369,616.43
  5. Step 5: Solve for x
    x = 227,369,616.43/16,623.78
  6. Step 6: Final answer
    x = 13,677.37

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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.