Home / 11,289.52-15,579.60-6,253.90

Finding the Fourth Proportional to 11,289.52, 15,579.60 and 6,253.90

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Solution

The fourth proportional to 11,289.52, 15,579.60 and 6,253.90 is: 8,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.52 : 15,579.60 = 6,253.90 : x
  2. Step 2: Convert to fraction form
    11,289.52/15,579.60 = 6,253.90/x
  3. Step 3: Cross multiply
    11,289.52x = 15,579.60 × 6,253.90
  4. Step 4: Simplify right side
    11,289.52x = 97,433,260.44
  5. Step 5: Solve for x
    x = 97,433,260.44/11,289.52
  6. Step 6: Final answer
    x = 8,630.42

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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.