Home / 19,495.72-29,238.38-5,454.87

Finding the Fourth Proportional to 19,495.72, 29,238.38 and 5,454.87

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Solution

The fourth proportional to 19,495.72, 29,238.38 and 5,454.87 is: 8,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.72 : 29,238.38 = 5,454.87 : x
  2. Step 2: Convert to fraction form
    19,495.72/29,238.38 = 5,454.87/x
  3. Step 3: Cross multiply
    19,495.72x = 29,238.38 × 5,454.87
  4. Step 4: Simplify right side
    19,495.72x = 159,491,561.91
  5. Step 5: Solve for x
    x = 159,491,561.91/19,495.72
  6. Step 6: Final answer
    x = 8,180.85

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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.