Home / 11,766.78-16,237.86-6,461.58

Finding the Fourth Proportional to 11,766.78, 16,237.86 and 6,461.58

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Solution

The fourth proportional to 11,766.78, 16,237.86 and 6,461.58 is: 8,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.78 : 16,237.86 = 6,461.58 : x
  2. Step 2: Convert to fraction form
    11,766.78/16,237.86 = 6,461.58/x
  3. Step 3: Cross multiply
    11,766.78x = 16,237.86 × 6,461.58
  4. Step 4: Simplify right side
    11,766.78x = 104,922,231.42
  5. Step 5: Solve for x
    x = 104,922,231.42/11,766.78
  6. Step 6: Final answer
    x = 8,916.82

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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.