Home / 14,122.92-19,487.56-8,456.36

Finding the Fourth Proportional to 14,122.92, 19,487.56 and 8,456.36

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Solution

The fourth proportional to 14,122.92, 19,487.56 and 8,456.36 is: 11,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.92 : 19,487.56 = 8,456.36 : x
  2. Step 2: Convert to fraction form
    14,122.92/19,487.56 = 8,456.36/x
  3. Step 3: Cross multiply
    14,122.92x = 19,487.56 × 8,456.36
  4. Step 4: Simplify right side
    14,122.92x = 164,793,822.88
  5. Step 5: Solve for x
    x = 164,793,822.88/14,122.92
  6. Step 6: Final answer
    x = 11,668.54

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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.