Home / 12,955.24-19,416.45-8,273.44

Finding the Fourth Proportional to 12,955.24, 19,416.45 and 8,273.44

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Solution

The fourth proportional to 12,955.24, 19,416.45 and 8,273.44 is: 12,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.24 : 19,416.45 = 8,273.44 : x
  2. Step 2: Convert to fraction form
    12,955.24/19,416.45 = 8,273.44/x
  3. Step 3: Cross multiply
    12,955.24x = 19,416.45 × 8,273.44
  4. Step 4: Simplify right side
    12,955.24x = 160,640,737.01
  5. Step 5: Solve for x
    x = 160,640,737.01/12,955.24
  6. Step 6: Final answer
    x = 12,399.68

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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.