Home / 11,309.08-16,959.06-3,409.15

Finding the Fourth Proportional to 11,309.08, 16,959.06 and 3,409.15

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Solution

The fourth proportional to 11,309.08, 16,959.06 and 3,409.15 is: 5,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.08 : 16,959.06 = 3,409.15 : x
  2. Step 2: Convert to fraction form
    11,309.08/16,959.06 = 3,409.15/x
  3. Step 3: Cross multiply
    11,309.08x = 16,959.06 × 3,409.15
  4. Step 4: Simplify right side
    11,309.08x = 57,815,937.00
  5. Step 5: Solve for x
    x = 57,815,937.00/11,309.08
  6. Step 6: Final answer
    x = 5,112.35

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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.