Home / 14,147.24-19,517.88-8,767.20

Finding the Fourth Proportional to 14,147.24, 19,517.88 and 8,767.20

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Solution

The fourth proportional to 14,147.24, 19,517.88 and 8,767.20 is: 12,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.24 : 19,517.88 = 8,767.20 : x
  2. Step 2: Convert to fraction form
    14,147.24/19,517.88 = 8,767.20/x
  3. Step 3: Cross multiply
    14,147.24x = 19,517.88 × 8,767.20
  4. Step 4: Simplify right side
    14,147.24x = 171,117,157.54
  5. Step 5: Solve for x
    x = 171,117,157.54/14,147.24
  6. Step 6: Final answer
    x = 12,095.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.