Home / 11,261.37-15,539.27-6,479.13

Finding the Fourth Proportional to 11,261.37, 15,539.27 and 6,479.13

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Solution

The fourth proportional to 11,261.37, 15,539.27 and 6,479.13 is: 8,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.37 : 15,539.27 = 6,479.13 : x
  2. Step 2: Convert to fraction form
    11,261.37/15,539.27 = 6,479.13/x
  3. Step 3: Cross multiply
    11,261.37x = 15,539.27 × 6,479.13
  4. Step 4: Simplify right side
    11,261.37x = 100,680,918.04
  5. Step 5: Solve for x
    x = 100,680,918.04/11,261.37
  6. Step 6: Final answer
    x = 8,940.38

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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.