Home / 16,745.64-25,123.08-13,617.90

Finding the Fourth Proportional to 16,745.64, 25,123.08 and 13,617.90

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Solution

The fourth proportional to 16,745.64, 25,123.08 and 13,617.90 is: 20,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.64 : 25,123.08 = 13,617.90 : x
  2. Step 2: Convert to fraction form
    16,745.64/25,123.08 = 13,617.90/x
  3. Step 3: Cross multiply
    16,745.64x = 25,123.08 × 13,617.90
  4. Step 4: Simplify right side
    16,745.64x = 342,123,591.13
  5. Step 5: Solve for x
    x = 342,123,591.13/16,745.64
  6. Step 6: Final answer
    x = 20,430.61

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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.