Home / 19,920.55-29,873.86-5,876.85

Finding the Fourth Proportional to 19,920.55, 29,873.86 and 5,876.85

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Solution

The fourth proportional to 19,920.55, 29,873.86 and 5,876.85 is: 8,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920.55 : 29,873.86 = 5,876.85 : x
  2. Step 2: Convert to fraction form
    19,920.55/29,873.86 = 5,876.85/x
  3. Step 3: Cross multiply
    19,920.55x = 29,873.86 × 5,876.85
  4. Step 4: Simplify right side
    19,920.55x = 175,564,123.44
  5. Step 5: Solve for x
    x = 175,564,123.44/19,920.55
  6. Step 6: Final answer
    x = 8,813.22

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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.