Home / 10,519.36-15,777.04-3,498.32

Finding the Fourth Proportional to 10,519.36, 15,777.04 and 3,498.32

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Solution

The fourth proportional to 10,519.36, 15,777.04 and 3,498.32 is: 5,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.36 : 15,777.04 = 3,498.32 : x
  2. Step 2: Convert to fraction form
    10,519.36/15,777.04 = 3,498.32/x
  3. Step 3: Cross multiply
    10,519.36x = 15,777.04 × 3,498.32
  4. Step 4: Simplify right side
    10,519.36x = 55,193,134.57
  5. Step 5: Solve for x
    x = 55,193,134.57/10,519.36
  6. Step 6: Final answer
    x = 5,246.81

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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.