Home / 19,456.74-29,159.73-8,922.96

Finding the Fourth Proportional to 19,456.74, 29,159.73 and 8,922.96

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Solution

The fourth proportional to 19,456.74, 29,159.73 and 8,922.96 is: 13,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.74 : 29,159.73 = 8,922.96 : x
  2. Step 2: Convert to fraction form
    19,456.74/29,159.73 = 8,922.96/x
  3. Step 3: Cross multiply
    19,456.74x = 29,159.73 × 8,922.96
  4. Step 4: Simplify right side
    19,456.74x = 260,191,104.40
  5. Step 5: Solve for x
    x = 260,191,104.40/19,456.74
  6. Step 6: Final answer
    x = 13,372.80

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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.