Home / 11,045.88-16,568.80-7,773.60

Finding the Fourth Proportional to 11,045.88, 16,568.80 and 7,773.60

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Solution

The fourth proportional to 11,045.88, 16,568.80 and 7,773.60 is: 11,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.88 : 16,568.80 = 7,773.60 : x
  2. Step 2: Convert to fraction form
    11,045.88/16,568.80 = 7,773.60/x
  3. Step 3: Cross multiply
    11,045.88x = 16,568.80 × 7,773.60
  4. Step 4: Simplify right side
    11,045.88x = 128,799,223.68
  5. Step 5: Solve for x
    x = 128,799,223.68/11,045.88
  6. Step 6: Final answer
    x = 11,660.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.