Home / 13,991.73-19,308.15-8,325.18

Finding the Fourth Proportional to 13,991.73, 19,308.15 and 8,325.18

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Solution

The fourth proportional to 13,991.73, 19,308.15 and 8,325.18 is: 11,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.73 : 19,308.15 = 8,325.18 : x
  2. Step 2: Convert to fraction form
    13,991.73/19,308.15 = 8,325.18/x
  3. Step 3: Cross multiply
    13,991.73x = 19,308.15 × 8,325.18
  4. Step 4: Simplify right side
    13,991.73x = 160,743,824.22
  5. Step 5: Solve for x
    x = 160,743,824.22/13,991.73
  6. Step 6: Final answer
    x = 11,488.49

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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.