Home / 11,409.07-15,743.72-6,304.37

Finding the Fourth Proportional to 11,409.07, 15,743.72 and 6,304.37

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Solution

The fourth proportional to 11,409.07, 15,743.72 and 6,304.37 is: 8,699.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.07 : 15,743.72 = 6,304.37 : x
  2. Step 2: Convert to fraction form
    11,409.07/15,743.72 = 6,304.37/x
  3. Step 3: Cross multiply
    11,409.07x = 15,743.72 × 6,304.37
  4. Step 4: Simplify right side
    11,409.07x = 99,254,173.10
  5. Step 5: Solve for x
    x = 99,254,173.10/11,409.07
  6. Step 6: Final answer
    x = 8,699.59

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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.