Home / 10,912.92-16,370.43-4,337.64

Finding the Fourth Proportional to 10,912.92, 16,370.43 and 4,337.64

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Solution

The fourth proportional to 10,912.92, 16,370.43 and 4,337.64 is: 6,506.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.92 : 16,370.43 = 4,337.64 : x
  2. Step 2: Convert to fraction form
    10,912.92/16,370.43 = 4,337.64/x
  3. Step 3: Cross multiply
    10,912.92x = 16,370.43 × 4,337.64
  4. Step 4: Simplify right side
    10,912.92x = 71,009,031.99
  5. Step 5: Solve for x
    x = 71,009,031.99/10,912.92
  6. Step 6: Final answer
    x = 6,506.88

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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.