Home / 12,467.48-18,703.36-6,227.76

Finding the Fourth Proportional to 12,467.48, 18,703.36 and 6,227.76

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Solution

The fourth proportional to 12,467.48, 18,703.36 and 6,227.76 is: 9,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.48 : 18,703.36 = 6,227.76 : x
  2. Step 2: Convert to fraction form
    12,467.48/18,703.36 = 6,227.76/x
  3. Step 3: Cross multiply
    12,467.48x = 18,703.36 × 6,227.76
  4. Step 4: Simplify right side
    12,467.48x = 116,480,037.27
  5. Step 5: Solve for x
    x = 116,480,037.27/12,467.48
  6. Step 6: Final answer
    x = 9,342.71

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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.