Home / 13,490.93-20,238.83-6,098.87

Finding the Fourth Proportional to 13,490.93, 20,238.83 and 6,098.87

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Solution

The fourth proportional to 13,490.93, 20,238.83 and 6,098.87 is: 9,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490.93 : 20,238.83 = 6,098.87 : x
  2. Step 2: Convert to fraction form
    13,490.93/20,238.83 = 6,098.87/x
  3. Step 3: Cross multiply
    13,490.93x = 20,238.83 × 6,098.87
  4. Step 4: Simplify right side
    13,490.93x = 123,433,993.12
  5. Step 5: Solve for x
    x = 123,433,993.12/13,490.93
  6. Step 6: Final answer
    x = 9,149.41

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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.