Home / 11,675.30-16,111.88-6,370.12

Finding the Fourth Proportional to 11,675.30, 16,111.88 and 6,370.12

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Solution

The fourth proportional to 11,675.30, 16,111.88 and 6,370.12 is: 8,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.30 : 16,111.88 = 6,370.12 : x
  2. Step 2: Convert to fraction form
    11,675.30/16,111.88 = 6,370.12/x
  3. Step 3: Cross multiply
    11,675.30x = 16,111.88 × 6,370.12
  4. Step 4: Simplify right side
    11,675.30x = 102,634,609.03
  5. Step 5: Solve for x
    x = 102,634,609.03/11,675.30
  6. Step 6: Final answer
    x = 8,790.75

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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.