Home / 14,640.71-20,199.97-8,266.99

Finding the Fourth Proportional to 14,640.71, 20,199.97 and 8,266.99

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Solution

The fourth proportional to 14,640.71, 20,199.97 and 8,266.99 is: 11,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.71 : 20,199.97 = 8,266.99 : x
  2. Step 2: Convert to fraction form
    14,640.71/20,199.97 = 8,266.99/x
  3. Step 3: Cross multiply
    14,640.71x = 20,199.97 × 8,266.99
  4. Step 4: Simplify right side
    14,640.71x = 166,992,908.66
  5. Step 5: Solve for x
    x = 166,992,908.66/14,640.71
  6. Step 6: Final answer
    x = 11,406.07

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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.