Home / 14,456.39-19,944.83-8,789.36

Finding the Fourth Proportional to 14,456.39, 19,944.83 and 8,789.36

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Solution

The fourth proportional to 14,456.39, 19,944.83 and 8,789.36 is: 12,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.39 : 19,944.83 = 8,789.36 : x
  2. Step 2: Convert to fraction form
    14,456.39/19,944.83 = 8,789.36/x
  3. Step 3: Cross multiply
    14,456.39x = 19,944.83 × 8,789.36
  4. Step 4: Simplify right side
    14,456.39x = 175,302,213.26
  5. Step 5: Solve for x
    x = 175,302,213.26/14,456.39
  6. Step 6: Final answer
    x = 12,126.28

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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.