Home / 14,217.61-19,621.25-8,249.27

Finding the Fourth Proportional to 14,217.61, 19,621.25 and 8,249.27

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Solution

The fourth proportional to 14,217.61, 19,621.25 and 8,249.27 is: 11,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.61 : 19,621.25 = 8,249.27 : x
  2. Step 2: Convert to fraction form
    14,217.61/19,621.25 = 8,249.27/x
  3. Step 3: Cross multiply
    14,217.61x = 19,621.25 × 8,249.27
  4. Step 4: Simplify right side
    14,217.61x = 161,861,058.66
  5. Step 5: Solve for x
    x = 161,861,058.66/14,217.61
  6. Step 6: Final answer
    x = 11,384.55

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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.