Home / 12,827.62-17,701.93-7,162.46

Finding the Fourth Proportional to 12,827.62, 17,701.93 and 7,162.46

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Solution

The fourth proportional to 12,827.62, 17,701.93 and 7,162.46 is: 9,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.62 : 17,701.93 = 7,162.46 : x
  2. Step 2: Convert to fraction form
    12,827.62/17,701.93 = 7,162.46/x
  3. Step 3: Cross multiply
    12,827.62x = 17,701.93 × 7,162.46
  4. Step 4: Simplify right side
    12,827.62x = 126,789,241.23
  5. Step 5: Solve for x
    x = 126,789,241.23/12,827.62
  6. Step 6: Final answer
    x = 9,884.09

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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.