Home / 14,427.82-19,910.40-7,967.47

Finding the Fourth Proportional to 14,427.82, 19,910.40 and 7,967.47

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Solution

The fourth proportional to 14,427.82, 19,910.40 and 7,967.47 is: 10,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.82 : 19,910.40 = 7,967.47 : x
  2. Step 2: Convert to fraction form
    14,427.82/19,910.40 = 7,967.47/x
  3. Step 3: Cross multiply
    14,427.82x = 19,910.40 × 7,967.47
  4. Step 4: Simplify right side
    14,427.82x = 158,635,514.69
  5. Step 5: Solve for x
    x = 158,635,514.69/14,427.82
  6. Step 6: Final answer
    x = 10,995.11

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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.