Home / 14,229.87-19,637.27-8,261.79

Finding the Fourth Proportional to 14,229.87, 19,637.27 and 8,261.79

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Solution

The fourth proportional to 14,229.87, 19,637.27 and 8,261.79 is: 11,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.87 : 19,637.27 = 8,261.79 : x
  2. Step 2: Convert to fraction form
    14,229.87/19,637.27 = 8,261.79/x
  3. Step 3: Cross multiply
    14,229.87x = 19,637.27 × 8,261.79
  4. Step 4: Simplify right side
    14,229.87x = 162,239,000.91
  5. Step 5: Solve for x
    x = 162,239,000.91/14,229.87
  6. Step 6: Final answer
    x = 11,401.30

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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.