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Finding the Fourth Proportional to 16,474.51, 22,736.45 and 9,401.99

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Solution

The fourth proportional to 16,474.51, 22,736.45 and 9,401.99 is: 12,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.51 : 22,736.45 = 9,401.99 : x
  2. Step 2: Convert to fraction form
    16,474.51/22,736.45 = 9,401.99/x
  3. Step 3: Cross multiply
    16,474.51x = 22,736.45 × 9,401.99
  4. Step 4: Simplify right side
    16,474.51x = 213,767,828.53
  5. Step 5: Solve for x
    x = 213,767,828.53/16,474.51
  6. Step 6: Final answer
    x = 12,975.68

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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.