Home / 19,499.73-29,198.55-15,120.87

Finding the Fourth Proportional to 19,499.73, 29,198.55 and 15,120.87

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Solution

The fourth proportional to 19,499.73, 29,198.55 and 15,120.87 is: 22,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499.73 : 29,198.55 = 15,120.87 : x
  2. Step 2: Convert to fraction form
    19,499.73/29,198.55 = 15,120.87/x
  3. Step 3: Cross multiply
    19,499.73x = 29,198.55 × 15,120.87
  4. Step 4: Simplify right side
    19,499.73x = 441,507,478.74
  5. Step 5: Solve for x
    x = 441,507,478.74/19,499.73
  6. Step 6: Final answer
    x = 22,641.72

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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.