Home / 13,530.20-20,247.24-8,263.58

Finding the Fourth Proportional to 13,530.20, 20,247.24 and 8,263.58

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Solution

The fourth proportional to 13,530.20, 20,247.24 and 8,263.58 is: 12,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.20 : 20,247.24 = 8,263.58 : x
  2. Step 2: Convert to fraction form
    13,530.20/20,247.24 = 8,263.58/x
  3. Step 3: Cross multiply
    13,530.20x = 20,247.24 × 8,263.58
  4. Step 4: Simplify right side
    13,530.20x = 167,314,687.52
  5. Step 5: Solve for x
    x = 167,314,687.52/13,530.20
  6. Step 6: Final answer
    x = 12,366.02

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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.