Home / 13,379.87-20,054.61-4,607.57

Finding the Fourth Proportional to 13,379.87, 20,054.61 and 4,607.57

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Solution

The fourth proportional to 13,379.87, 20,054.61 and 4,607.57 is: 6,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.87 : 20,054.61 = 4,607.57 : x
  2. Step 2: Convert to fraction form
    13,379.87/20,054.61 = 4,607.57/x
  3. Step 3: Cross multiply
    13,379.87x = 20,054.61 × 4,607.57
  4. Step 4: Simplify right side
    13,379.87x = 92,402,919.12
  5. Step 5: Solve for x
    x = 92,402,919.12/13,379.87
  6. Step 6: Final answer
    x = 6,906.12

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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.