Home / 14,122.62-19,487.30-8,456.07

Finding the Fourth Proportional to 14,122.62, 19,487.30 and 8,456.07

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Solution

The fourth proportional to 14,122.62, 19,487.30 and 8,456.07 is: 11,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.62 : 19,487.30 = 8,456.07 : x
  2. Step 2: Convert to fraction form
    14,122.62/19,487.30 = 8,456.07/x
  3. Step 3: Cross multiply
    14,122.62x = 19,487.30 × 8,456.07
  4. Step 4: Simplify right side
    14,122.62x = 164,785,930.63
  5. Step 5: Solve for x
    x = 164,785,930.63/14,122.62
  6. Step 6: Final answer
    x = 11,668.23

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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.