Home / 14,940.32-20,617.49-8,225.82

Finding the Fourth Proportional to 14,940.32, 20,617.49 and 8,225.82

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Solution

The fourth proportional to 14,940.32, 20,617.49 and 8,225.82 is: 11,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.32 : 20,617.49 = 8,225.82 : x
  2. Step 2: Convert to fraction form
    14,940.32/20,617.49 = 8,225.82/x
  3. Step 3: Cross multiply
    14,940.32x = 20,617.49 × 8,225.82
  4. Step 4: Simplify right side
    14,940.32x = 169,595,761.59
  5. Step 5: Solve for x
    x = 169,595,761.59/14,940.32
  6. Step 6: Final answer
    x = 11,351.55

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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.