Home / 19,763.45-29,649.15-7,283.54

Finding the Fourth Proportional to 19,763.45, 29,649.15 and 7,283.54

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Solution

The fourth proportional to 19,763.45, 29,649.15 and 7,283.54 is: 10,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.45 : 29,649.15 = 7,283.54 : x
  2. Step 2: Convert to fraction form
    19,763.45/29,649.15 = 7,283.54/x
  3. Step 3: Cross multiply
    19,763.45x = 29,649.15 × 7,283.54
  4. Step 4: Simplify right side
    19,763.45x = 215,950,825.91
  5. Step 5: Solve for x
    x = 215,950,825.91/19,763.45
  6. Step 6: Final answer
    x = 10,926.78

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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.