Home / 11,706.98-16,155.61-6,401.79

Finding the Fourth Proportional to 11,706.98, 16,155.61 and 6,401.79

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Solution

The fourth proportional to 11,706.98, 16,155.61 and 6,401.79 is: 8,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.98 : 16,155.61 = 6,401.79 : x
  2. Step 2: Convert to fraction form
    11,706.98/16,155.61 = 6,401.79/x
  3. Step 3: Cross multiply
    11,706.98x = 16,155.61 × 6,401.79
  4. Step 4: Simplify right side
    11,706.98x = 103,424,806.54
  5. Step 5: Solve for x
    x = 103,424,806.54/11,706.98
  6. Step 6: Final answer
    x = 8,834.46

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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.