Home / 10,928.70-16,393.14-4,353.12

Finding the Fourth Proportional to 10,928.70, 16,393.14 and 4,353.12

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Solution

The fourth proportional to 10,928.70, 16,393.14 and 4,353.12 is: 6,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.70 : 16,393.14 = 4,353.12 : x
  2. Step 2: Convert to fraction form
    10,928.70/16,393.14 = 4,353.12/x
  3. Step 3: Cross multiply
    10,928.70x = 16,393.14 × 4,353.12
  4. Step 4: Simplify right side
    10,928.70x = 71,361,305.60
  5. Step 5: Solve for x
    x = 71,361,305.60/10,928.70
  6. Step 6: Final answer
    x = 6,529.72

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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.