Home / 11,238.96-15,509.75-6,203.19

Finding the Fourth Proportional to 11,238.96, 15,509.75 and 6,203.19

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Solution

The fourth proportional to 11,238.96, 15,509.75 and 6,203.19 is: 8,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.96 : 15,509.75 = 6,203.19 : x
  2. Step 2: Convert to fraction form
    11,238.96/15,509.75 = 6,203.19/x
  3. Step 3: Cross multiply
    11,238.96x = 15,509.75 × 6,203.19
  4. Step 4: Simplify right side
    11,238.96x = 96,209,836.93
  5. Step 5: Solve for x
    x = 96,209,836.93/11,238.96
  6. Step 6: Final answer
    x = 8,560.39

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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.