Home / 11,742.72-16,204.92-6,437.52

Finding the Fourth Proportional to 11,742.72, 16,204.92 and 6,437.52

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Solution

The fourth proportional to 11,742.72, 16,204.92 and 6,437.52 is: 8,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.72 : 16,204.92 = 6,437.52 : x
  2. Step 2: Convert to fraction form
    11,742.72/16,204.92 = 6,437.52/x
  3. Step 3: Cross multiply
    11,742.72x = 16,204.92 × 6,437.52
  4. Step 4: Simplify right side
    11,742.72x = 104,319,496.60
  5. Step 5: Solve for x
    x = 104,319,496.60/11,742.72
  6. Step 6: Final answer
    x = 8,883.76

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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.