Home / 12,116.88-16,700.04-11,779.92

Finding the Fourth Proportional to 12,116.88, 16,700.04 and 11,779.92

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Solution

The fourth proportional to 12,116.88, 16,700.04 and 11,779.92 is: 16,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.88 : 16,700.04 = 11,779.92 : x
  2. Step 2: Convert to fraction form
    12,116.88/16,700.04 = 11,779.92/x
  3. Step 3: Cross multiply
    12,116.88x = 16,700.04 × 11,779.92
  4. Step 4: Simplify right side
    12,116.88x = 196,725,135.20
  5. Step 5: Solve for x
    x = 196,725,135.20/12,116.88
  6. Step 6: Final answer
    x = 16,235.63

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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.