Home / 10,928.89-16,393.34-4,684.87

Finding the Fourth Proportional to 10,928.89, 16,393.34 and 4,684.87

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Solution

The fourth proportional to 10,928.89, 16,393.34 and 4,684.87 is: 7,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.89 : 16,393.34 = 4,684.87 : x
  2. Step 2: Convert to fraction form
    10,928.89/16,393.34 = 4,684.87/x
  3. Step 3: Cross multiply
    10,928.89x = 16,393.34 × 4,684.87
  4. Step 4: Simplify right side
    10,928.89x = 76,800,666.77
  5. Step 5: Solve for x
    x = 76,800,666.77/10,928.89
  6. Step 6: Final answer
    x = 7,027.31

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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.