Home / 14,644.83-20,209.71-8,271.42

Finding the Fourth Proportional to 14,644.83, 20,209.71 and 8,271.42

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Solution

The fourth proportional to 14,644.83, 20,209.71 and 8,271.42 is: 11,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.83 : 20,209.71 = 8,271.42 : x
  2. Step 2: Convert to fraction form
    14,644.83/20,209.71 = 8,271.42/x
  3. Step 3: Cross multiply
    14,644.83x = 20,209.71 × 8,271.42
  4. Step 4: Simplify right side
    14,644.83x = 167,162,999.49
  5. Step 5: Solve for x
    x = 167,162,999.49/14,644.83
  6. Step 6: Final answer
    x = 11,414.47

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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.