Home / 11,911.58-16,432.59-7,436.44

Finding the Fourth Proportional to 11,911.58, 16,432.59 and 7,436.44

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Solution

The fourth proportional to 11,911.58, 16,432.59 and 7,436.44 is: 10,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.58 : 16,432.59 = 7,436.44 : x
  2. Step 2: Convert to fraction form
    11,911.58/16,432.59 = 7,436.44/x
  3. Step 3: Cross multiply
    11,911.58x = 16,432.59 × 7,436.44
  4. Step 4: Simplify right side
    11,911.58x = 122,199,887.42
  5. Step 5: Solve for x
    x = 122,199,887.42/11,911.58
  6. Step 6: Final answer
    x = 10,258.92

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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.