Home / 19,772.82-29,663.18-7,292.90

Finding the Fourth Proportional to 19,772.82, 29,663.18 and 7,292.90

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Solution

The fourth proportional to 19,772.82, 29,663.18 and 7,292.90 is: 10,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.82 : 29,663.18 = 7,292.90 : x
  2. Step 2: Convert to fraction form
    19,772.82/29,663.18 = 7,292.90/x
  3. Step 3: Cross multiply
    19,772.82x = 29,663.18 × 7,292.90
  4. Step 4: Simplify right side
    19,772.82x = 216,330,605.42
  5. Step 5: Solve for x
    x = 216,330,605.42/19,772.82
  6. Step 6: Final answer
    x = 10,940.81

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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.