Home / 11,702.55-16,149.41-6,397.35

Finding the Fourth Proportional to 11,702.55, 16,149.41 and 6,397.35

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Solution

The fourth proportional to 11,702.55, 16,149.41 and 6,397.35 is: 8,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.55 : 16,149.41 = 6,397.35 : x
  2. Step 2: Convert to fraction form
    11,702.55/16,149.41 = 6,397.35/x
  3. Step 3: Cross multiply
    11,702.55x = 16,149.41 × 6,397.35
  4. Step 4: Simplify right side
    11,702.55x = 103,313,403.68
  5. Step 5: Solve for x
    x = 103,313,403.68/11,702.55
  6. Step 6: Final answer
    x = 8,828.28

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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.