Home / 11,706.10-16,154.41-6,400.90

Finding the Fourth Proportional to 11,706.10, 16,154.41 and 6,400.90

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Solution

The fourth proportional to 11,706.10, 16,154.41 and 6,400.90 is: 8,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.10 : 16,154.41 = 6,400.90 : x
  2. Step 2: Convert to fraction form
    11,706.10/16,154.41 = 6,400.90/x
  3. Step 3: Cross multiply
    11,706.10x = 16,154.41 × 6,400.90
  4. Step 4: Simplify right side
    11,706.10x = 103,402,706.58
  5. Step 5: Solve for x
    x = 103,402,706.58/11,706.10
  6. Step 6: Final answer
    x = 8,833.23

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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.