Home / 11,313.46-16,952.60-4,289.68

Finding the Fourth Proportional to 11,313.46, 16,952.60 and 4,289.68

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Solution

The fourth proportional to 11,313.46, 16,952.60 and 4,289.68 is: 6,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.46 : 16,952.60 = 4,289.68 : x
  2. Step 2: Convert to fraction form
    11,313.46/16,952.60 = 4,289.68/x
  3. Step 3: Cross multiply
    11,313.46x = 16,952.60 × 4,289.68
  4. Step 4: Simplify right side
    11,313.46x = 72,721,229.17
  5. Step 5: Solve for x
    x = 72,721,229.17/11,313.46
  6. Step 6: Final answer
    x = 6,427.85

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1.5x scale

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.