Home / 10,512.63-15,773.60-5,581.08

Finding the Fourth Proportional to 10,512.63, 15,773.60 and 5,581.08

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Solution

The fourth proportional to 10,512.63, 15,773.60 and 5,581.08 is: 8,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.63 : 15,773.60 = 5,581.08 : x
  2. Step 2: Convert to fraction form
    10,512.63/15,773.60 = 5,581.08/x
  3. Step 3: Cross multiply
    10,512.63x = 15,773.60 × 5,581.08
  4. Step 4: Simplify right side
    10,512.63x = 88,033,737.44
  5. Step 5: Solve for x
    x = 88,033,737.44/10,512.63
  6. Step 6: Final answer
    x = 8,374.09

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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.