Home / 10,490.37-15,730.94-5,558.87

Finding the Fourth Proportional to 10,490.37, 15,730.94 and 5,558.87

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Solution

The fourth proportional to 10,490.37, 15,730.94 and 5,558.87 is: 8,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.37 : 15,730.94 = 5,558.87 : x
  2. Step 2: Convert to fraction form
    10,490.37/15,730.94 = 5,558.87/x
  3. Step 3: Cross multiply
    10,490.37x = 15,730.94 × 5,558.87
  4. Step 4: Simplify right side
    10,490.37x = 87,446,222.64
  5. Step 5: Solve for x
    x = 87,446,222.64/10,490.37
  6. Step 6: Final answer
    x = 8,335.86

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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.