Home / 11,916.66-16,444.71-6,611.34

Finding the Fourth Proportional to 11,916.66, 16,444.71 and 6,611.34

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Solution

The fourth proportional to 11,916.66, 16,444.71 and 6,611.34 is: 9,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.66 : 16,444.71 = 6,611.34 : x
  2. Step 2: Convert to fraction form
    11,916.66/16,444.71 = 6,611.34/x
  3. Step 3: Cross multiply
    11,916.66x = 16,444.71 × 6,611.34
  4. Step 4: Simplify right side
    11,916.66x = 108,721,569.01
  5. Step 5: Solve for x
    x = 108,721,569.01/11,916.66
  6. Step 6: Final answer
    x = 9,123.49

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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.