Home / 11,259.08-16,895.10-9,081.80

Finding the Fourth Proportional to 11,259.08, 16,895.10 and 9,081.80

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Solution

The fourth proportional to 11,259.08, 16,895.10 and 9,081.80 is: 13,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.08 : 16,895.10 = 9,081.80 : x
  2. Step 2: Convert to fraction form
    11,259.08/16,895.10 = 9,081.80/x
  3. Step 3: Cross multiply
    11,259.08x = 16,895.10 × 9,081.80
  4. Step 4: Simplify right side
    11,259.08x = 153,437,919.18
  5. Step 5: Solve for x
    x = 153,437,919.18/11,259.08
  6. Step 6: Final answer
    x = 13,627.93

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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.