Home / 11,871.34-17,681.38-11,246.74

Finding the Fourth Proportional to 11,871.34, 17,681.38 and 11,246.74

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Solution

The fourth proportional to 11,871.34, 17,681.38 and 11,246.74 is: 16,751.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.34 : 17,681.38 = 11,246.74 : x
  2. Step 2: Convert to fraction form
    11,871.34/17,681.38 = 11,246.74/x
  3. Step 3: Cross multiply
    11,871.34x = 17,681.38 × 11,246.74
  4. Step 4: Simplify right side
    11,871.34x = 198,857,883.70
  5. Step 5: Solve for x
    x = 198,857,883.70/11,871.34
  6. Step 6: Final answer
    x = 16,751.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.