Home / 11,887.12-16,404.06-6,851.35

Finding the Fourth Proportional to 11,887.12, 16,404.06 and 6,851.35

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Solution

The fourth proportional to 11,887.12, 16,404.06 and 6,851.35 is: 9,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.12 : 16,404.06 = 6,851.35 : x
  2. Step 2: Convert to fraction form
    11,887.12/16,404.06 = 6,851.35/x
  3. Step 3: Cross multiply
    11,887.12x = 16,404.06 × 6,851.35
  4. Step 4: Simplify right side
    11,887.12x = 112,389,956.48
  5. Step 5: Solve for x
    x = 112,389,956.48/11,887.12
  6. Step 6: Final answer
    x = 9,454.77

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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.