Home / 11,940.84-16,471.56-7,459.11

Finding the Fourth Proportional to 11,940.84, 16,471.56 and 7,459.11

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Solution

The fourth proportional to 11,940.84, 16,471.56 and 7,459.11 is: 10,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.84 : 16,471.56 = 7,459.11 : x
  2. Step 2: Convert to fraction form
    11,940.84/16,471.56 = 7,459.11/x
  3. Step 3: Cross multiply
    11,940.84x = 16,471.56 × 7,459.11
  4. Step 4: Simplify right side
    11,940.84x = 122,863,177.91
  5. Step 5: Solve for x
    x = 122,863,177.91/11,940.84
  6. Step 6: Final answer
    x = 10,289.32

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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.