Home / 19,391.60-29,060.48-8,835.82

Finding the Fourth Proportional to 19,391.60, 29,060.48 and 8,835.82

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Solution

The fourth proportional to 19,391.60, 29,060.48 and 8,835.82 is: 13,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.60 : 29,060.48 = 8,835.82 : x
  2. Step 2: Convert to fraction form
    19,391.60/29,060.48 = 8,835.82/x
  3. Step 3: Cross multiply
    19,391.60x = 29,060.48 × 8,835.82
  4. Step 4: Simplify right side
    19,391.60x = 256,773,086.70
  5. Step 5: Solve for x
    x = 256,773,086.70/19,391.60
  6. Step 6: Final answer
    x = 13,241.46

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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.