Home / 16,333.70-22,542.18-9,621.44

Finding the Fourth Proportional to 16,333.70, 22,542.18 and 9,621.44

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Solution

The fourth proportional to 16,333.70, 22,542.18 and 9,621.44 is: 13,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,333.70 : 22,542.18 = 9,621.44 : x
  2. Step 2: Convert to fraction form
    16,333.70/22,542.18 = 9,621.44/x
  3. Step 3: Cross multiply
    16,333.70x = 22,542.18 × 9,621.44
  4. Step 4: Simplify right side
    16,333.70x = 216,888,232.34
  5. Step 5: Solve for x
    x = 216,888,232.34/16,333.70
  6. Step 6: Final answer
    x = 13,278.57

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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.