Home / 11,469.07-15,824.62-6,686.15

Finding the Fourth Proportional to 11,469.07, 15,824.62 and 6,686.15

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Solution

The fourth proportional to 11,469.07, 15,824.62 and 6,686.15 is: 9,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.07 : 15,824.62 = 6,686.15 : x
  2. Step 2: Convert to fraction form
    11,469.07/15,824.62 = 6,686.15/x
  3. Step 3: Cross multiply
    11,469.07x = 15,824.62 × 6,686.15
  4. Step 4: Simplify right side
    11,469.07x = 105,805,674.64
  5. Step 5: Solve for x
    x = 105,805,674.64/11,469.07
  6. Step 6: Final answer
    x = 9,225.31

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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.