Home / 19,839.90-29,740.87-7,356.59

Finding the Fourth Proportional to 19,839.90, 29,740.87 and 7,356.59

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Solution

The fourth proportional to 19,839.90, 29,740.87 and 7,356.59 is: 11,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.90 : 29,740.87 = 7,356.59 : x
  2. Step 2: Convert to fraction form
    19,839.90/29,740.87 = 7,356.59/x
  3. Step 3: Cross multiply
    19,839.90x = 29,740.87 × 7,356.59
  4. Step 4: Simplify right side
    19,839.90x = 218,791,358.85
  5. Step 5: Solve for x
    x = 218,791,358.85/19,839.90
  6. Step 6: Final answer
    x = 11,027.84

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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.