Home / 13,961.32-19,266.62-7,673.68

Finding the Fourth Proportional to 13,961.32, 19,266.62 and 7,673.68

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Solution

The fourth proportional to 13,961.32, 19,266.62 and 7,673.68 is: 10,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.32 : 19,266.62 = 7,673.68 : x
  2. Step 2: Convert to fraction form
    13,961.32/19,266.62 = 7,673.68/x
  3. Step 3: Cross multiply
    13,961.32x = 19,266.62 × 7,673.68
  4. Step 4: Simplify right side
    13,961.32x = 147,845,876.56
  5. Step 5: Solve for x
    x = 147,845,876.56/13,961.32
  6. Step 6: Final answer
    x = 10,589.68

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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.