Home / 11,702.42-16,150.85-6,668.45

Finding the Fourth Proportional to 11,702.42, 16,150.85 and 6,668.45

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Solution

The fourth proportional to 11,702.42, 16,150.85 and 6,668.45 is: 9,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.42 : 16,150.85 = 6,668.45 : x
  2. Step 2: Convert to fraction form
    11,702.42/16,150.85 = 6,668.45/x
  3. Step 3: Cross multiply
    11,702.42x = 16,150.85 × 6,668.45
  4. Step 4: Simplify right side
    11,702.42x = 107,701,135.68
  5. Step 5: Solve for x
    x = 107,701,135.68/11,702.42
  6. Step 6: Final answer
    x = 9,203.32

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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.