Home / 19,941.27-29,911.80-5,148.93

Finding the Fourth Proportional to 19,941.27, 29,911.80 and 5,148.93

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Solution

The fourth proportional to 19,941.27, 29,911.80 and 5,148.93 is: 7,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.27 : 29,911.80 = 5,148.93 : x
  2. Step 2: Convert to fraction form
    19,941.27/29,911.80 = 5,148.93/x
  3. Step 3: Cross multiply
    19,941.27x = 29,911.80 × 5,148.93
  4. Step 4: Simplify right side
    19,941.27x = 154,013,764.37
  5. Step 5: Solve for x
    x = 154,013,764.37/19,941.27
  6. Step 6: Final answer
    x = 7,723.37

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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.