Home / 19,922.31-29,886.75-7,446.69

Finding the Fourth Proportional to 19,922.31, 29,886.75 and 7,446.69

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Solution

The fourth proportional to 19,922.31, 29,886.75 and 7,446.69 is: 11,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.31 : 29,886.75 = 7,446.69 : x
  2. Step 2: Convert to fraction form
    19,922.31/29,886.75 = 7,446.69/x
  3. Step 3: Cross multiply
    19,922.31x = 29,886.75 × 7,446.69
  4. Step 4: Simplify right side
    19,922.31x = 222,557,362.36
  5. Step 5: Solve for x
    x = 222,557,362.36/19,922.31
  6. Step 6: Final answer
    x = 11,171.26

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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.