Home / 11,856.88-16,361.70-6,551.65

Finding the Fourth Proportional to 11,856.88, 16,361.70 and 6,551.65

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Solution

The fourth proportional to 11,856.88, 16,361.70 and 6,551.65 is: 9,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.88 : 16,361.70 = 6,551.65 : x
  2. Step 2: Convert to fraction form
    11,856.88/16,361.70 = 6,551.65/x
  3. Step 3: Cross multiply
    11,856.88x = 16,361.70 × 6,551.65
  4. Step 4: Simplify right side
    11,856.88x = 107,196,131.81
  5. Step 5: Solve for x
    x = 107,196,131.81/11,856.88
  6. Step 6: Final answer
    x = 9,040.84

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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.