Home / 11,709.08-17,561.02-3,387.28

Finding the Fourth Proportional to 11,709.08, 17,561.02 and 3,387.28

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Solution

The fourth proportional to 11,709.08, 17,561.02 and 3,387.28 is: 5,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.08 : 17,561.02 = 3,387.28 : x
  2. Step 2: Convert to fraction form
    11,709.08/17,561.02 = 3,387.28/x
  3. Step 3: Cross multiply
    11,709.08x = 17,561.02 × 3,387.28
  4. Step 4: Simplify right side
    11,709.08x = 59,484,091.83
  5. Step 5: Solve for x
    x = 59,484,091.83/11,709.08
  6. Step 6: Final answer
    x = 5,080.17

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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.