Home / 10,187.62-14,067.27-6,416.86

Finding the Fourth Proportional to 10,187.62, 14,067.27 and 6,416.86

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Solution

The fourth proportional to 10,187.62, 14,067.27 and 6,416.86 is: 8,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.62 : 14,067.27 = 6,416.86 : x
  2. Step 2: Convert to fraction form
    10,187.62/14,067.27 = 6,416.86/x
  3. Step 3: Cross multiply
    10,187.62x = 14,067.27 × 6,416.86
  4. Step 4: Simplify right side
    10,187.62x = 90,267,702.17
  5. Step 5: Solve for x
    x = 90,267,702.17/10,187.62
  6. Step 6: Final answer
    x = 8,860.53

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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.