Home / 11,271.33-15,545.99-9,996.71

Finding the Fourth Proportional to 11,271.33, 15,545.99 and 9,996.71

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Solution

The fourth proportional to 11,271.33, 15,545.99 and 9,996.71 is: 13,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.33 : 15,545.99 = 9,996.71 : x
  2. Step 2: Convert to fraction form
    11,271.33/15,545.99 = 9,996.71/x
  3. Step 3: Cross multiply
    11,271.33x = 15,545.99 × 9,996.71
  4. Step 4: Simplify right side
    11,271.33x = 155,408,675.96
  5. Step 5: Solve for x
    x = 155,408,675.96/11,271.33
  6. Step 6: Final answer
    x = 13,787.96

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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.