Home / 15,174.80-20,951.88-10,469.84

Finding the Fourth Proportional to 15,174.80, 20,951.88 and 10,469.84

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Solution

The fourth proportional to 15,174.80, 20,951.88 and 10,469.84 is: 14,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.80 : 20,951.88 = 10,469.84 : x
  2. Step 2: Convert to fraction form
    15,174.80/20,951.88 = 10,469.84/x
  3. Step 3: Cross multiply
    15,174.80x = 20,951.88 × 10,469.84
  4. Step 4: Simplify right side
    15,174.80x = 219,362,831.30
  5. Step 5: Solve for x
    x = 219,362,831.30/15,174.80
  6. Step 6: Final answer
    x = 14,455.73

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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.