Home / 13,500.16-20,247.36-4,266.88

Finding the Fourth Proportional to 13,500.16, 20,247.36 and 4,266.88

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Solution

The fourth proportional to 13,500.16, 20,247.36 and 4,266.88 is: 6,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.16 : 20,247.36 = 4,266.88 : x
  2. Step 2: Convert to fraction form
    13,500.16/20,247.36 = 4,266.88/x
  3. Step 3: Cross multiply
    13,500.16x = 20,247.36 × 4,266.88
  4. Step 4: Simplify right side
    13,500.16x = 86,393,055.44
  5. Step 5: Solve for x
    x = 86,393,055.44/13,500.16
  6. Step 6: Final answer
    x = 6,399.41

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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.