Home / 19,926.31-29,892.75-7,450.69

Finding the Fourth Proportional to 19,926.31, 29,892.75 and 7,450.69

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Solution

The fourth proportional to 19,926.31, 29,892.75 and 7,450.69 is: 11,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.31 : 29,892.75 = 7,450.69 : x
  2. Step 2: Convert to fraction form
    19,926.31/29,892.75 = 7,450.69/x
  3. Step 3: Cross multiply
    19,926.31x = 29,892.75 × 7,450.69
  4. Step 4: Simplify right side
    19,926.31x = 222,721,613.50
  5. Step 5: Solve for x
    x = 222,721,613.50/19,926.31
  6. Step 6: Final answer
    x = 11,177.26

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1.5x scale

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.