Home / 19,930.31-29,884.37-9,244.98

Finding the Fourth Proportional to 19,930.31, 29,884.37 and 9,244.98

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Solution

The fourth proportional to 19,930.31, 29,884.37 and 9,244.98 is: 13,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.31 : 29,884.37 = 9,244.98 : x
  2. Step 2: Convert to fraction form
    19,930.31/29,884.37 = 9,244.98/x
  3. Step 3: Cross multiply
    19,930.31x = 29,884.37 × 9,244.98
  4. Step 4: Simplify right side
    19,930.31x = 276,280,356.74
  5. Step 5: Solve for x
    x = 276,280,356.74/19,930.31
  6. Step 6: Final answer
    x = 13,862.32

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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.