Home / 14,186.52-21,288.96-6,394.86

Finding the Fourth Proportional to 14,186.52, 21,288.96 and 6,394.86

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Solution

The fourth proportional to 14,186.52, 21,288.96 and 6,394.86 is: 9,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.52 : 21,288.96 = 6,394.86 : x
  2. Step 2: Convert to fraction form
    14,186.52/21,288.96 = 6,394.86/x
  3. Step 3: Cross multiply
    14,186.52x = 21,288.96 × 6,394.86
  4. Step 4: Simplify right side
    14,186.52x = 136,139,918.75
  5. Step 5: Solve for x
    x = 136,139,918.75/14,186.52
  6. Step 6: Final answer
    x = 9,596.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.