Home / 11,218.24-15,486.42-6,501.64

Finding the Fourth Proportional to 11,218.24, 15,486.42 and 6,501.64

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Solution

The fourth proportional to 11,218.24, 15,486.42 and 6,501.64 is: 8,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.24 : 15,486.42 = 6,501.64 : x
  2. Step 2: Convert to fraction form
    11,218.24/15,486.42 = 6,501.64/x
  3. Step 3: Cross multiply
    11,218.24x = 15,486.42 × 6,501.64
  4. Step 4: Simplify right side
    11,218.24x = 100,687,127.73
  5. Step 5: Solve for x
    x = 100,687,127.73/11,218.24
  6. Step 6: Final answer
    x = 8,975.31

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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.