Home / 10,558.05-15,837.08-8,581.29

Finding the Fourth Proportional to 10,558.05, 15,837.08 and 8,581.29

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Solution

The fourth proportional to 10,558.05, 15,837.08 and 8,581.29 is: 12,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.05 : 15,837.08 = 8,581.29 : x
  2. Step 2: Convert to fraction form
    10,558.05/15,837.08 = 8,581.29/x
  3. Step 3: Cross multiply
    10,558.05x = 15,837.08 × 8,581.29
  4. Step 4: Simplify right side
    10,558.05x = 135,902,533.33
  5. Step 5: Solve for x
    x = 135,902,533.33/10,558.05
  6. Step 6: Final answer
    x = 12,871.94

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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.