Home / 19,948.82-29,869.22-13,360.82

Finding the Fourth Proportional to 19,948.82, 29,869.22 and 13,360.82

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Solution

The fourth proportional to 19,948.82, 29,869.22 and 13,360.82 is: 20,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.82 : 29,869.22 = 13,360.82 : x
  2. Step 2: Convert to fraction form
    19,948.82/29,869.22 = 13,360.82/x
  3. Step 3: Cross multiply
    19,948.82x = 29,869.22 × 13,360.82
  4. Step 4: Simplify right side
    19,948.82x = 399,077,156.02
  5. Step 5: Solve for x
    x = 399,077,156.02/19,948.82
  6. Step 6: Final answer
    x = 20,005.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.