Home / 14,518.71-20,034.62-8,144.42

Finding the Fourth Proportional to 14,518.71, 20,034.62 and 8,144.42

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Solution

The fourth proportional to 14,518.71, 20,034.62 and 8,144.42 is: 11,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.71 : 20,034.62 = 8,144.42 : x
  2. Step 2: Convert to fraction form
    14,518.71/20,034.62 = 8,144.42/x
  3. Step 3: Cross multiply
    14,518.71x = 20,034.62 × 8,144.42
  4. Step 4: Simplify right side
    14,518.71x = 163,170,218.93
  5. Step 5: Solve for x
    x = 163,170,218.93/14,518.71
  6. Step 6: Final answer
    x = 11,238.62

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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.