Home / 19,459.14-29,200.52-7,771.38

Finding the Fourth Proportional to 19,459.14, 29,200.52 and 7,771.38

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Solution

The fourth proportional to 19,459.14, 29,200.52 and 7,771.38 is: 11,661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.14 : 29,200.52 = 7,771.38 : x
  2. Step 2: Convert to fraction form
    19,459.14/29,200.52 = 7,771.38/x
  3. Step 3: Cross multiply
    19,459.14x = 29,200.52 × 7,771.38
  4. Step 4: Simplify right side
    19,459.14x = 226,928,337.12
  5. Step 5: Solve for x
    x = 226,928,337.12/19,459.14
  6. Step 6: Final answer
    x = 11,661.79

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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.