Home / 11,742.08-16,203.90-6,436.88

Finding the Fourth Proportional to 11,742.08, 16,203.90 and 6,436.88

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Solution

The fourth proportional to 11,742.08, 16,203.90 and 6,436.88 is: 8,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.08 : 16,203.90 = 6,436.88 : x
  2. Step 2: Convert to fraction form
    11,742.08/16,203.90 = 6,436.88/x
  3. Step 3: Cross multiply
    11,742.08x = 16,203.90 × 6,436.88
  4. Step 4: Simplify right side
    11,742.08x = 104,302,559.83
  5. Step 5: Solve for x
    x = 104,302,559.83/11,742.08
  6. Step 6: Final answer
    x = 8,882.80

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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.