Home / 14,612.46-20,160.27-8,320.38

Finding the Fourth Proportional to 14,612.46, 20,160.27 and 8,320.38

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Solution

The fourth proportional to 14,612.46, 20,160.27 and 8,320.38 is: 11,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.46 : 20,160.27 = 8,320.38 : x
  2. Step 2: Convert to fraction form
    14,612.46/20,160.27 = 8,320.38/x
  3. Step 3: Cross multiply
    14,612.46x = 20,160.27 × 8,320.38
  4. Step 4: Simplify right side
    14,612.46x = 167,741,107.30
  5. Step 5: Solve for x
    x = 167,741,107.30/14,612.46
  6. Step 6: Final answer
    x = 11,479.32

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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.