Home / 11,155.38-16,745.38-5,607.24

Finding the Fourth Proportional to 11,155.38, 16,745.38 and 5,607.24

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Solution

The fourth proportional to 11,155.38, 16,745.38 and 5,607.24 is: 8,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.38 : 16,745.38 = 5,607.24 : x
  2. Step 2: Convert to fraction form
    11,155.38/16,745.38 = 5,607.24/x
  3. Step 3: Cross multiply
    11,155.38x = 16,745.38 × 5,607.24
  4. Step 4: Simplify right side
    11,155.38x = 93,895,252.79
  5. Step 5: Solve for x
    x = 93,895,252.79/11,155.38
  6. Step 6: Final answer
    x = 8,417.04

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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.