Home / 11,296.80-15,589.70-6,261.13

Finding the Fourth Proportional to 11,296.80, 15,589.70 and 6,261.13

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Solution

The fourth proportional to 11,296.80, 15,589.70 and 6,261.13 is: 8,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.80 : 15,589.70 = 6,261.13 : x
  2. Step 2: Convert to fraction form
    11,296.80/15,589.70 = 6,261.13/x
  3. Step 3: Cross multiply
    11,296.80x = 15,589.70 × 6,261.13
  4. Step 4: Simplify right side
    11,296.80x = 97,609,150.02
  5. Step 5: Solve for x
    x = 97,609,150.02/11,296.80
  6. Step 6: Final answer
    x = 8,640.42

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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.