Home / 10,905.94-16,321.85-9,152.90

Finding the Fourth Proportional to 10,905.94, 16,321.85 and 9,152.90

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Solution

The fourth proportional to 10,905.94, 16,321.85 and 9,152.90 is: 13,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.94 : 16,321.85 = 9,152.90 : x
  2. Step 2: Convert to fraction form
    10,905.94/16,321.85 = 9,152.90/x
  3. Step 3: Cross multiply
    10,905.94x = 16,321.85 × 9,152.90
  4. Step 4: Simplify right side
    10,905.94x = 149,392,260.87
  5. Step 5: Solve for x
    x = 149,392,260.87/10,905.94
  6. Step 6: Final answer
    x = 13,698.25

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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.