Home / 11,856.12-16,361.61-6,550.81

Finding the Fourth Proportional to 11,856.12, 16,361.61 and 6,550.81

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Solution

The fourth proportional to 11,856.12, 16,361.61 and 6,550.81 is: 9,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.12 : 16,361.61 = 6,550.81 : x
  2. Step 2: Convert to fraction form
    11,856.12/16,361.61 = 6,550.81/x
  3. Step 3: Cross multiply
    11,856.12x = 16,361.61 × 6,550.81
  4. Step 4: Simplify right side
    11,856.12x = 107,181,798.40
  5. Step 5: Solve for x
    x = 107,181,798.40/11,856.12
  6. Step 6: Final answer
    x = 9,040.21

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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.