Home / 12,374.11-17,053.37-8,789.23

Finding the Fourth Proportional to 12,374.11, 17,053.37 and 8,789.23

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Solution

The fourth proportional to 12,374.11, 17,053.37 and 8,789.23 is: 12,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.11 : 17,053.37 = 8,789.23 : x
  2. Step 2: Convert to fraction form
    12,374.11/17,053.37 = 8,789.23/x
  3. Step 3: Cross multiply
    12,374.11x = 17,053.37 × 8,789.23
  4. Step 4: Simplify right side
    12,374.11x = 149,885,991.21
  5. Step 5: Solve for x
    x = 149,885,991.21/12,374.11
  6. Step 6: Final answer
    x = 12,112.87

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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.