Home / 11,916.41-16,445.39-6,881.55

Finding the Fourth Proportional to 11,916.41, 16,445.39 and 6,881.55

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Solution

The fourth proportional to 11,916.41, 16,445.39 and 6,881.55 is: 9,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.41 : 16,445.39 = 6,881.55 : x
  2. Step 2: Convert to fraction form
    11,916.41/16,445.39 = 6,881.55/x
  3. Step 3: Cross multiply
    11,916.41x = 16,445.39 × 6,881.55
  4. Step 4: Simplify right side
    11,916.41x = 113,169,773.55
  5. Step 5: Solve for x
    x = 113,169,773.55/11,916.41
  6. Step 6: Final answer
    x = 9,496.97

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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.