Home / 13,697.28-20,556.48-5,908.80

Finding the Fourth Proportional to 13,697.28, 20,556.48 and 5,908.80

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Solution

The fourth proportional to 13,697.28, 20,556.48 and 5,908.80 is: 8,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.28 : 20,556.48 = 5,908.80 : x
  2. Step 2: Convert to fraction form
    13,697.28/20,556.48 = 5,908.80/x
  3. Step 3: Cross multiply
    13,697.28x = 20,556.48 × 5,908.80
  4. Step 4: Simplify right side
    13,697.28x = 121,464,129.02
  5. Step 5: Solve for x
    x = 121,464,129.02/13,697.28
  6. Step 6: Final answer
    x = 8,867.76

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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.