Home / 14,857.52-20,486.04-12,342.56

Finding the Fourth Proportional to 14,857.52, 20,486.04 and 12,342.56

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Solution

The fourth proportional to 14,857.52, 20,486.04 and 12,342.56 is: 17,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,857.52 : 20,486.04 = 12,342.56 : x
  2. Step 2: Convert to fraction form
    14,857.52/20,486.04 = 12,342.56/x
  3. Step 3: Cross multiply
    14,857.52x = 20,486.04 × 12,342.56
  4. Step 4: Simplify right side
    14,857.52x = 252,850,177.86
  5. Step 5: Solve for x
    x = 252,850,177.86/14,857.52
  6. Step 6: Final answer
    x = 17,018.33

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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.