Home / 11,750.27-16,215.69-6,445.42

Finding the Fourth Proportional to 11,750.27, 16,215.69 and 6,445.42

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Solution

The fourth proportional to 11,750.27, 16,215.69 and 6,445.42 is: 8,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.27 : 16,215.69 = 6,445.42 : x
  2. Step 2: Convert to fraction form
    11,750.27/16,215.69 = 6,445.42/x
  3. Step 3: Cross multiply
    11,750.27x = 16,215.69 × 6,445.42
  4. Step 4: Simplify right side
    11,750.27x = 104,517,007.48
  5. Step 5: Solve for x
    x = 104,517,007.48/11,750.27
  6. Step 6: Final answer
    x = 8,894.86

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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.