Home / 13,398.49-18,489.90-8,092.27

Finding the Fourth Proportional to 13,398.49, 18,489.90 and 8,092.27

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Solution

The fourth proportional to 13,398.49, 18,489.90 and 8,092.27 is: 11,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.49 : 18,489.90 = 8,092.27 : x
  2. Step 2: Convert to fraction form
    13,398.49/18,489.90 = 8,092.27/x
  3. Step 3: Cross multiply
    13,398.49x = 18,489.90 × 8,092.27
  4. Step 4: Simplify right side
    13,398.49x = 149,625,263.07
  5. Step 5: Solve for x
    x = 149,625,263.07/13,398.49
  6. Step 6: Final answer
    x = 11,167.32

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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.