Home / 19,526.70-29,291.41-7,839.91

Finding the Fourth Proportional to 19,526.70, 29,291.41 and 7,839.91

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Solution

The fourth proportional to 19,526.70, 29,291.41 and 7,839.91 is: 11,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.70 : 29,291.41 = 7,839.91 : x
  2. Step 2: Convert to fraction form
    19,526.70/29,291.41 = 7,839.91/x
  3. Step 3: Cross multiply
    19,526.70x = 29,291.41 × 7,839.91
  4. Step 4: Simplify right side
    19,526.70x = 229,642,135.94
  5. Step 5: Solve for x
    x = 229,642,135.94/19,526.70
  6. Step 6: Final answer
    x = 11,760.42

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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.