Home / 19,740.40-29,610.60-6,593.20

Finding the Fourth Proportional to 19,740.40, 29,610.60 and 6,593.20

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Solution

The fourth proportional to 19,740.40, 29,610.60 and 6,593.20 is: 9,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.40 : 29,610.60 = 6,593.20 : x
  2. Step 2: Convert to fraction form
    19,740.40/29,610.60 = 6,593.20/x
  3. Step 3: Cross multiply
    19,740.40x = 29,610.60 × 6,593.20
  4. Step 4: Simplify right side
    19,740.40x = 195,228,607.92
  5. Step 5: Solve for x
    x = 195,228,607.92/19,740.40
  6. Step 6: Final answer
    x = 9,889.80

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