Home / 11,399.28-17,087.99-3,602.76

Finding the Fourth Proportional to 11,399.28, 17,087.99 and 3,602.76

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Solution

The fourth proportional to 11,399.28, 17,087.99 and 3,602.76 is: 5,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,399.28 : 17,087.99 = 3,602.76 : x
  2. Step 2: Convert to fraction form
    11,399.28/17,087.99 = 3,602.76/x
  3. Step 3: Cross multiply
    11,399.28x = 17,087.99 × 3,602.76
  4. Step 4: Simplify right side
    11,399.28x = 61,563,908.84
  5. Step 5: Solve for x
    x = 61,563,908.84/11,399.28
  6. Step 6: Final answer
    x = 5,400.68

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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.