Home / 11,198.07-15,445.44-9,703.35

Finding the Fourth Proportional to 11,198.07, 15,445.44 and 9,703.35

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Solution

The fourth proportional to 11,198.07, 15,445.44 and 9,703.35 is: 13,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.07 : 15,445.44 = 9,703.35 : x
  2. Step 2: Convert to fraction form
    11,198.07/15,445.44 = 9,703.35/x
  3. Step 3: Cross multiply
    11,198.07x = 15,445.44 × 9,703.35
  4. Step 4: Simplify right side
    11,198.07x = 149,872,510.22
  5. Step 5: Solve for x
    x = 149,872,510.22/11,198.07
  6. Step 6: Final answer
    x = 13,383.78

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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.