Home / 14,367.44-21,506.60-7,777.28

Finding the Fourth Proportional to 14,367.44, 21,506.60 and 7,777.28

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Solution

The fourth proportional to 14,367.44, 21,506.60 and 7,777.28 is: 11,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367.44 : 21,506.60 = 7,777.28 : x
  2. Step 2: Convert to fraction form
    14,367.44/21,506.60 = 7,777.28/x
  3. Step 3: Cross multiply
    14,367.44x = 21,506.60 × 7,777.28
  4. Step 4: Simplify right side
    14,367.44x = 167,262,850.05
  5. Step 5: Solve for x
    x = 167,262,850.05/14,367.44
  6. Step 6: Final answer
    x = 11,641.80

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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.