Home / 11,741.40-16,203-6,436.20

Finding the Fourth Proportional to 11,741.40, 16,203 and 6,436.20

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Solution

The fourth proportional to 11,741.40, 16,203 and 6,436.20 is: 8,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.40 : 16,203 = 6,436.20 : x
  2. Step 2: Convert to fraction form
    11,741.40/16,203 = 6,436.20/x
  3. Step 3: Cross multiply
    11,741.40x = 16,203 × 6,436.20
  4. Step 4: Simplify right side
    11,741.40x = 104,285,748.60
  5. Step 5: Solve for x
    x = 104,285,748.60/11,741.40
  6. Step 6: Final answer
    x = 8,881.88

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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.