Home / 16,278.94-22,473.30-10,621.90

Finding the Fourth Proportional to 16,278.94, 22,473.30 and 10,621.90

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Solution

The fourth proportional to 16,278.94, 22,473.30 and 10,621.90 is: 14,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.94 : 22,473.30 = 10,621.90 : x
  2. Step 2: Convert to fraction form
    16,278.94/22,473.30 = 10,621.90/x
  3. Step 3: Cross multiply
    16,278.94x = 22,473.30 × 10,621.90
  4. Step 4: Simplify right side
    16,278.94x = 238,709,145.27
  5. Step 5: Solve for x
    x = 238,709,145.27/16,278.94
  6. Step 6: Final answer
    x = 14,663.68

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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.