Home / 14,148.42-19,524.12-8,179.52

Finding the Fourth Proportional to 14,148.42, 19,524.12 and 8,179.52

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Solution

The fourth proportional to 14,148.42, 19,524.12 and 8,179.52 is: 11,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.42 : 19,524.12 = 8,179.52 : x
  2. Step 2: Convert to fraction form
    14,148.42/19,524.12 = 8,179.52/x
  3. Step 3: Cross multiply
    14,148.42x = 19,524.12 × 8,179.52
  4. Step 4: Simplify right side
    14,148.42x = 159,697,930.02
  5. Step 5: Solve for x
    x = 159,697,930.02/14,148.42
  6. Step 6: Final answer
    x = 11,287.33

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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.