Home / 10,828.56-16,244.08-5,905.40

Finding the Fourth Proportional to 10,828.56, 16,244.08 and 5,905.40

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Solution

The fourth proportional to 10,828.56, 16,244.08 and 5,905.40 is: 8,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.56 : 16,244.08 = 5,905.40 : x
  2. Step 2: Convert to fraction form
    10,828.56/16,244.08 = 5,905.40/x
  3. Step 3: Cross multiply
    10,828.56x = 16,244.08 × 5,905.40
  4. Step 4: Simplify right side
    10,828.56x = 95,927,790.03
  5. Step 5: Solve for x
    x = 95,927,790.03/10,828.56
  6. Step 6: Final answer
    x = 8,858.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.