Home / 11,905.03-16,428.86-6,527.41

Finding the Fourth Proportional to 11,905.03, 16,428.86 and 6,527.41

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Solution

The fourth proportional to 11,905.03, 16,428.86 and 6,527.41 is: 9,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.03 : 16,428.86 = 6,527.41 : x
  2. Step 2: Convert to fraction form
    11,905.03/16,428.86 = 6,527.41/x
  3. Step 3: Cross multiply
    11,905.03x = 16,428.86 × 6,527.41
  4. Step 4: Simplify right side
    11,905.03x = 107,237,905.05
  5. Step 5: Solve for x
    x = 107,237,905.05/11,905.03
  6. Step 6: Final answer
    x = 9,007.78

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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.