Home / 14,949.43-20,630.35-8,235.29

Finding the Fourth Proportional to 14,949.43, 20,630.35 and 8,235.29

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Solution

The fourth proportional to 14,949.43, 20,630.35 and 8,235.29 is: 11,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.43 : 20,630.35 = 8,235.29 : x
  2. Step 2: Convert to fraction form
    14,949.43/20,630.35 = 8,235.29/x
  3. Step 3: Cross multiply
    14,949.43x = 20,630.35 × 8,235.29
  4. Step 4: Simplify right side
    14,949.43x = 169,896,915.05
  5. Step 5: Solve for x
    x = 169,896,915.05/14,949.43
  6. Step 6: Final answer
    x = 11,364.78

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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.