Home / 13,756.11-20,626.41-4,393.92

Finding the Fourth Proportional to 13,756.11, 20,626.41 and 4,393.92

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Solution

The fourth proportional to 13,756.11, 20,626.41 and 4,393.92 is: 6,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.11 : 20,626.41 = 4,393.92 : x
  2. Step 2: Convert to fraction form
    13,756.11/20,626.41 = 4,393.92/x
  3. Step 3: Cross multiply
    13,756.11x = 20,626.41 × 4,393.92
  4. Step 4: Simplify right side
    13,756.11x = 90,630,795.43
  5. Step 5: Solve for x
    x = 90,630,795.43/13,756.11
  6. Step 6: Final answer
    x = 6,588.41

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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.