Home / 11,388.93-15,716.81-6,353.48

Finding the Fourth Proportional to 11,388.93, 15,716.81 and 6,353.48

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Solution

The fourth proportional to 11,388.93, 15,716.81 and 6,353.48 is: 8,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.93 : 15,716.81 = 6,353.48 : x
  2. Step 2: Convert to fraction form
    11,388.93/15,716.81 = 6,353.48/x
  3. Step 3: Cross multiply
    11,388.93x = 15,716.81 × 6,353.48
  4. Step 4: Simplify right side
    11,388.93x = 99,856,327.65
  5. Step 5: Solve for x
    x = 99,856,327.65/11,388.93
  6. Step 6: Final answer
    x = 8,767.84

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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.