Home / 11,786.24-17,678.72-6,580.48

Finding the Fourth Proportional to 11,786.24, 17,678.72 and 6,580.48

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Solution

The fourth proportional to 11,786.24, 17,678.72 and 6,580.48 is: 9,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.24 : 17,678.72 = 6,580.48 : x
  2. Step 2: Convert to fraction form
    11,786.24/17,678.72 = 6,580.48/x
  3. Step 3: Cross multiply
    11,786.24x = 17,678.72 × 6,580.48
  4. Step 4: Simplify right side
    11,786.24x = 116,334,463.39
  5. Step 5: Solve for x
    x = 116,334,463.39/11,786.24
  6. Step 6: Final answer
    x = 9,870.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.