Home / 16,216.23-22,378.36-9,142.60

Finding the Fourth Proportional to 16,216.23, 22,378.36 and 9,142.60

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Solution

The fourth proportional to 16,216.23, 22,378.36 and 9,142.60 is: 12,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.23 : 22,378.36 = 9,142.60 : x
  2. Step 2: Convert to fraction form
    16,216.23/22,378.36 = 9,142.60/x
  3. Step 3: Cross multiply
    16,216.23x = 22,378.36 × 9,142.60
  4. Step 4: Simplify right side
    16,216.23x = 204,596,348.42
  5. Step 5: Solve for x
    x = 204,596,348.42/16,216.23
  6. Step 6: Final answer
    x = 12,616.76

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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.