Home / 12,551.43-17,321.14-6,885.82

Finding the Fourth Proportional to 12,551.43, 17,321.14 and 6,885.82

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Solution

The fourth proportional to 12,551.43, 17,321.14 and 6,885.82 is: 9,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.43 : 17,321.14 = 6,885.82 : x
  2. Step 2: Convert to fraction form
    12,551.43/17,321.14 = 6,885.82/x
  3. Step 3: Cross multiply
    12,551.43x = 17,321.14 × 6,885.82
  4. Step 4: Simplify right side
    12,551.43x = 119,270,282.49
  5. Step 5: Solve for x
    x = 119,270,282.49/12,551.43
  6. Step 6: Final answer
    x = 9,502.52

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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.