Home / 11,675.19-16,111.81-6,370.11

Finding the Fourth Proportional to 11,675.19, 16,111.81 and 6,370.11

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Solution

The fourth proportional to 11,675.19, 16,111.81 and 6,370.11 is: 8,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.19 : 16,111.81 = 6,370.11 : x
  2. Step 2: Convert to fraction form
    11,675.19/16,111.81 = 6,370.11/x
  3. Step 3: Cross multiply
    11,675.19x = 16,111.81 × 6,370.11
  4. Step 4: Simplify right side
    11,675.19x = 102,634,026.35
  5. Step 5: Solve for x
    x = 102,634,026.35/11,675.19
  6. Step 6: Final answer
    x = 8,790.78

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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.