Home / 14,392.35-19,861.92-8,424.27

Finding the Fourth Proportional to 14,392.35, 19,861.92 and 8,424.27

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Solution

The fourth proportional to 14,392.35, 19,861.92 and 8,424.27 is: 11,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.35 : 19,861.92 = 8,424.27 : x
  2. Step 2: Convert to fraction form
    14,392.35/19,861.92 = 8,424.27/x
  3. Step 3: Cross multiply
    14,392.35x = 19,861.92 × 8,424.27
  4. Step 4: Simplify right side
    14,392.35x = 167,322,176.80
  5. Step 5: Solve for x
    x = 167,322,176.80/14,392.35
  6. Step 6: Final answer
    x = 11,625.77

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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.