Home / 13,518.53-20,277.84-4,158.48

Finding the Fourth Proportional to 13,518.53, 20,277.84 and 4,158.48

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Solution

The fourth proportional to 13,518.53, 20,277.84 and 4,158.48 is: 6,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.53 : 20,277.84 = 4,158.48 : x
  2. Step 2: Convert to fraction form
    13,518.53/20,277.84 = 4,158.48/x
  3. Step 3: Cross multiply
    13,518.53x = 20,277.84 × 4,158.48
  4. Step 4: Simplify right side
    13,518.53x = 84,324,971.29
  5. Step 5: Solve for x
    x = 84,324,971.29/13,518.53
  6. Step 6: Final answer
    x = 6,237.73

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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.