Home / 13,722.44-20,580.92-6,325.82

Finding the Fourth Proportional to 13,722.44, 20,580.92 and 6,325.82

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Solution

The fourth proportional to 13,722.44, 20,580.92 and 6,325.82 is: 9,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.44 : 20,580.92 = 6,325.82 : x
  2. Step 2: Convert to fraction form
    13,722.44/20,580.92 = 6,325.82/x
  3. Step 3: Cross multiply
    13,722.44x = 20,580.92 × 6,325.82
  4. Step 4: Simplify right side
    13,722.44x = 130,191,246.29
  5. Step 5: Solve for x
    x = 130,191,246.29/13,722.44
  6. Step 6: Final answer
    x = 9,487.47

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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.