Home / 11,064.32-16,601.60-10,889.60

Finding the Fourth Proportional to 11,064.32, 16,601.60 and 10,889.60

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Solution

The fourth proportional to 11,064.32, 16,601.60 and 10,889.60 is: 16,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,064.32 : 16,601.60 = 10,889.60 : x
  2. Step 2: Convert to fraction form
    11,064.32/16,601.60 = 10,889.60/x
  3. Step 3: Cross multiply
    11,064.32x = 16,601.60 × 10,889.60
  4. Step 4: Simplify right side
    11,064.32x = 180,784,783.36
  5. Step 5: Solve for x
    x = 180,784,783.36/11,064.32
  6. Step 6: Final answer
    x = 16,339.44

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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.