Home / 11,648.26-16,074.05-6,611.81

Finding the Fourth Proportional to 11,648.26, 16,074.05 and 6,611.81

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Solution

The fourth proportional to 11,648.26, 16,074.05 and 6,611.81 is: 9,123.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.26 : 16,074.05 = 6,611.81 : x
  2. Step 2: Convert to fraction form
    11,648.26/16,074.05 = 6,611.81/x
  3. Step 3: Cross multiply
    11,648.26x = 16,074.05 × 6,611.81
  4. Step 4: Simplify right side
    11,648.26x = 106,278,541.52
  5. Step 5: Solve for x
    x = 106,278,541.52/11,648.26
  6. Step 6: Final answer
    x = 9,123.99

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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.