Home / 19,490.55-29,233.99-5,451.83

Finding the Fourth Proportional to 19,490.55, 29,233.99 and 5,451.83

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Solution

The fourth proportional to 19,490.55, 29,233.99 and 5,451.83 is: 8,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.55 : 29,233.99 = 5,451.83 : x
  2. Step 2: Convert to fraction form
    19,490.55/29,233.99 = 5,451.83/x
  3. Step 3: Cross multiply
    19,490.55x = 29,233.99 × 5,451.83
  4. Step 4: Simplify right side
    19,490.55x = 159,378,743.70
  5. Step 5: Solve for x
    x = 159,378,743.70/19,490.55
  6. Step 6: Final answer
    x = 8,177.23

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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.