Home / 16,247.72-22,421.40-9,174.80

Finding the Fourth Proportional to 16,247.72, 22,421.40 and 9,174.80

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Solution

The fourth proportional to 16,247.72, 22,421.40 and 9,174.80 is: 12,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.72 : 22,421.40 = 9,174.80 : x
  2. Step 2: Convert to fraction form
    16,247.72/22,421.40 = 9,174.80/x
  3. Step 3: Cross multiply
    16,247.72x = 22,421.40 × 9,174.80
  4. Step 4: Simplify right side
    16,247.72x = 205,711,860.72
  5. Step 5: Solve for x
    x = 205,711,860.72/16,247.72
  6. Step 6: Final answer
    x = 12,660.97

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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.