Home / 13,545.64-20,311.01-4,183.08

Finding the Fourth Proportional to 13,545.64, 20,311.01 and 4,183.08

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Solution

The fourth proportional to 13,545.64, 20,311.01 and 4,183.08 is: 6,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.64 : 20,311.01 = 4,183.08 : x
  2. Step 2: Convert to fraction form
    13,545.64/20,311.01 = 4,183.08/x
  3. Step 3: Cross multiply
    13,545.64x = 20,311.01 × 4,183.08
  4. Step 4: Simplify right side
    13,545.64x = 84,962,579.71
  5. Step 5: Solve for x
    x = 84,962,579.71/13,545.64
  6. Step 6: Final answer
    x = 6,272.32

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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.