Home / 11,706.81-16,155.45-6,401.62

Finding the Fourth Proportional to 11,706.81, 16,155.45 and 6,401.62

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Solution

The fourth proportional to 11,706.81, 16,155.45 and 6,401.62 is: 8,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.81 : 16,155.45 = 6,401.62 : x
  2. Step 2: Convert to fraction form
    11,706.81/16,155.45 = 6,401.62/x
  3. Step 3: Cross multiply
    11,706.81x = 16,155.45 × 6,401.62
  4. Step 4: Simplify right side
    11,706.81x = 103,421,072.02
  5. Step 5: Solve for x
    x = 103,421,072.02/11,706.81
  6. Step 6: Final answer
    x = 8,834.27

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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.