Home / 10,903.20-16,333.20-10,125.60

Finding the Fourth Proportional to 10,903.20, 16,333.20 and 10,125.60

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Solution

The fourth proportional to 10,903.20, 16,333.20 and 10,125.60 is: 15,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.20 : 16,333.20 = 10,125.60 : x
  2. Step 2: Convert to fraction form
    10,903.20/16,333.20 = 10,125.60/x
  3. Step 3: Cross multiply
    10,903.20x = 16,333.20 × 10,125.60
  4. Step 4: Simplify right side
    10,903.20x = 165,383,449.92
  5. Step 5: Solve for x
    x = 165,383,449.92/10,903.20
  6. Step 6: Final answer
    x = 15,168.34

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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.