Home / 11,259.12-16,889.02-3,863.47

Finding the Fourth Proportional to 11,259.12, 16,889.02 and 3,863.47

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Solution

The fourth proportional to 11,259.12, 16,889.02 and 3,863.47 is: 5,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.12 : 16,889.02 = 3,863.47 : x
  2. Step 2: Convert to fraction form
    11,259.12/16,889.02 = 3,863.47/x
  3. Step 3: Cross multiply
    11,259.12x = 16,889.02 × 3,863.47
  4. Step 4: Simplify right side
    11,259.12x = 65,250,222.10
  5. Step 5: Solve for x
    x = 65,250,222.10/11,259.12
  6. Step 6: Final answer
    x = 5,795.32

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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.