Home / 14,938.24-20,614.62-8,223.88

Finding the Fourth Proportional to 14,938.24, 20,614.62 and 8,223.88

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Solution

The fourth proportional to 14,938.24, 20,614.62 and 8,223.88 is: 11,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.24 : 20,614.62 = 8,223.88 : x
  2. Step 2: Convert to fraction form
    14,938.24/20,614.62 = 8,223.88/x
  3. Step 3: Cross multiply
    14,938.24x = 20,614.62 × 8,223.88
  4. Step 4: Simplify right side
    14,938.24x = 169,532,161.13
  5. Step 5: Solve for x
    x = 169,532,161.13/14,938.24
  6. Step 6: Final answer
    x = 11,348.87

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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.