Home / 11,312.75-16,966.53-4,293.54

Finding the Fourth Proportional to 11,312.75, 16,966.53 and 4,293.54

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Solution

The fourth proportional to 11,312.75, 16,966.53 and 4,293.54 is: 6,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.75 : 16,966.53 = 4,293.54 : x
  2. Step 2: Convert to fraction form
    11,312.75/16,966.53 = 4,293.54/x
  3. Step 3: Cross multiply
    11,312.75x = 16,966.53 × 4,293.54
  4. Step 4: Simplify right side
    11,312.75x = 72,846,475.22
  5. Step 5: Solve for x
    x = 72,846,475.22/11,312.75
  6. Step 6: Final answer
    x = 6,439.33

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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.