Home / 16,220.28-24,321.01-7,889.79

Finding the Fourth Proportional to 16,220.28, 24,321.01 and 7,889.79

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Solution

The fourth proportional to 16,220.28, 24,321.01 and 7,889.79 is: 11,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.28 : 24,321.01 = 7,889.79 : x
  2. Step 2: Convert to fraction form
    16,220.28/24,321.01 = 7,889.79/x
  3. Step 3: Cross multiply
    16,220.28x = 24,321.01 × 7,889.79
  4. Step 4: Simplify right side
    16,220.28x = 191,887,661.49
  5. Step 5: Solve for x
    x = 191,887,661.49/16,220.28
  6. Step 6: Final answer
    x = 11,830.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.