Home / 19,769.07-29,648.94-7,282.31

Finding the Fourth Proportional to 19,769.07, 29,648.94 and 7,282.31

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Solution

The fourth proportional to 19,769.07, 29,648.94 and 7,282.31 is: 10,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.07 : 29,648.94 = 7,282.31 : x
  2. Step 2: Convert to fraction form
    19,769.07/29,648.94 = 7,282.31/x
  3. Step 3: Cross multiply
    19,769.07x = 29,648.94 × 7,282.31
  4. Step 4: Simplify right side
    19,769.07x = 215,912,772.25
  5. Step 5: Solve for x
    x = 215,912,772.25/19,769.07
  6. Step 6: Final answer
    x = 10,921.75

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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.