Home / 13,615.44-20,414.26-5,722.99

Finding the Fourth Proportional to 13,615.44, 20,414.26 and 5,722.99

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Solution

The fourth proportional to 13,615.44, 20,414.26 and 5,722.99 is: 8,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615.44 : 20,414.26 = 5,722.99 : x
  2. Step 2: Convert to fraction form
    13,615.44/20,414.26 = 5,722.99/x
  3. Step 3: Cross multiply
    13,615.44x = 20,414.26 × 5,722.99
  4. Step 4: Simplify right side
    13,615.44x = 116,830,605.84
  5. Step 5: Solve for x
    x = 116,830,605.84/13,615.44
  6. Step 6: Final answer
    x = 8,580.74

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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.