Home / 15,519.09-23,278.74-4,425.75

Finding the Fourth Proportional to 15,519.09, 23,278.74 and 4,425.75

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Solution

The fourth proportional to 15,519.09, 23,278.74 and 4,425.75 is: 6,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519.09 : 23,278.74 = 4,425.75 : x
  2. Step 2: Convert to fraction form
    15,519.09/23,278.74 = 4,425.75/x
  3. Step 3: Cross multiply
    15,519.09x = 23,278.74 × 4,425.75
  4. Step 4: Simplify right side
    15,519.09x = 103,025,883.56
  5. Step 5: Solve for x
    x = 103,025,883.56/15,519.09
  6. Step 6: Final answer
    x = 6,638.65

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Double scale
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Similar ratio
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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.