Home / 11,209.22-15,474.93-6,734.07

Finding the Fourth Proportional to 11,209.22, 15,474.93 and 6,734.07

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Solution

The fourth proportional to 11,209.22, 15,474.93 and 6,734.07 is: 9,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.22 : 15,474.93 = 6,734.07 : x
  2. Step 2: Convert to fraction form
    11,209.22/15,474.93 = 6,734.07/x
  3. Step 3: Cross multiply
    11,209.22x = 15,474.93 × 6,734.07
  4. Step 4: Simplify right side
    11,209.22x = 104,209,261.87
  5. Step 5: Solve for x
    x = 104,209,261.87/11,209.22
  6. Step 6: Final answer
    x = 9,296.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.