Home / 11,742.62-16,205.12-6,437.52

Finding the Fourth Proportional to 11,742.62, 16,205.12 and 6,437.52

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Solution

The fourth proportional to 11,742.62, 16,205.12 and 6,437.52 is: 8,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.62 : 16,205.12 = 6,437.52 : x
  2. Step 2: Convert to fraction form
    11,742.62/16,205.12 = 6,437.52/x
  3. Step 3: Cross multiply
    11,742.62x = 16,205.12 × 6,437.52
  4. Step 4: Simplify right side
    11,742.62x = 104,320,784.10
  5. Step 5: Solve for x
    x = 104,320,784.10/11,742.62
  6. Step 6: Final answer
    x = 8,883.94

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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.