Home / 11,876.42-16,388.67-6,570.86

Finding the Fourth Proportional to 11,876.42, 16,388.67 and 6,570.86

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Solution

The fourth proportional to 11,876.42, 16,388.67 and 6,570.86 is: 9,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.42 : 16,388.67 = 6,570.86 : x
  2. Step 2: Convert to fraction form
    11,876.42/16,388.67 = 6,570.86/x
  3. Step 3: Cross multiply
    11,876.42x = 16,388.67 × 6,570.86
  4. Step 4: Simplify right side
    11,876.42x = 107,687,656.16
  5. Step 5: Solve for x
    x = 107,687,656.16/11,876.42
  6. Step 6: Final answer
    x = 9,067.35

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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.