Home / 14,938.20-20,614.62-8,223.48

Finding the Fourth Proportional to 14,938.20, 20,614.62 and 8,223.48

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Solution

The fourth proportional to 14,938.20, 20,614.62 and 8,223.48 is: 11,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.20 : 20,614.62 = 8,223.48 : x
  2. Step 2: Convert to fraction form
    14,938.20/20,614.62 = 8,223.48/x
  3. Step 3: Cross multiply
    14,938.20x = 20,614.62 × 8,223.48
  4. Step 4: Simplify right side
    14,938.20x = 169,523,915.28
  5. Step 5: Solve for x
    x = 169,523,915.28/14,938.20
  6. Step 6: Final answer
    x = 11,348.35

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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.