Home / 11,733.24-16,191.87-6,428.10

Finding the Fourth Proportional to 11,733.24, 16,191.87 and 6,428.10

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Solution

The fourth proportional to 11,733.24, 16,191.87 and 6,428.10 is: 8,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.24 : 16,191.87 = 6,428.10 : x
  2. Step 2: Convert to fraction form
    11,733.24/16,191.87 = 6,428.10/x
  3. Step 3: Cross multiply
    11,733.24x = 16,191.87 × 6,428.10
  4. Step 4: Simplify right side
    11,733.24x = 104,082,959.55
  5. Step 5: Solve for x
    x = 104,082,959.55/11,733.24
  6. Step 6: Final answer
    x = 8,870.78

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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.