Home / 13,557.20-20,344.44-5,766

Finding the Fourth Proportional to 13,557.20, 20,344.44 and 5,766

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Solution

The fourth proportional to 13,557.20, 20,344.44 and 5,766 is: 8,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.20 : 20,344.44 = 5,766 : x
  2. Step 2: Convert to fraction form
    13,557.20/20,344.44 = 5,766/x
  3. Step 3: Cross multiply
    13,557.20x = 20,344.44 × 5,766
  4. Step 4: Simplify right side
    13,557.20x = 117,306,041.04
  5. Step 5: Solve for x
    x = 117,306,041.04/13,557.20
  6. Step 6: Final answer
    x = 8,652.67

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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.