Home / 11,822.36-16,313.84-6,515.88

Finding the Fourth Proportional to 11,822.36, 16,313.84 and 6,515.88

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Solution

The fourth proportional to 11,822.36, 16,313.84 and 6,515.88 is: 8,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.36 : 16,313.84 = 6,515.88 : x
  2. Step 2: Convert to fraction form
    11,822.36/16,313.84 = 6,515.88/x
  3. Step 3: Cross multiply
    11,822.36x = 16,313.84 × 6,515.88
  4. Step 4: Simplify right side
    11,822.36x = 106,299,023.78
  5. Step 5: Solve for x
    x = 106,299,023.78/11,822.36
  6. Step 6: Final answer
    x = 8,991.35

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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.