Home / 14,195.39-21,313.62-8,659.58

Finding the Fourth Proportional to 14,195.39, 21,313.62 and 8,659.58

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Solution

The fourth proportional to 14,195.39, 21,313.62 and 8,659.58 is: 13,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.39 : 21,313.62 = 8,659.58 : x
  2. Step 2: Convert to fraction form
    14,195.39/21,313.62 = 8,659.58/x
  3. Step 3: Cross multiply
    14,195.39x = 21,313.62 × 8,659.58
  4. Step 4: Simplify right side
    14,195.39x = 184,566,890.91
  5. Step 5: Solve for x
    x = 184,566,890.91/14,195.39
  6. Step 6: Final answer
    x = 13,001.89

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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.