Home / 10,880.72-16,321.64-4,641.56

Finding the Fourth Proportional to 10,880.72, 16,321.64 and 4,641.56

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Solution

The fourth proportional to 10,880.72, 16,321.64 and 4,641.56 is: 6,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.72 : 16,321.64 = 4,641.56 : x
  2. Step 2: Convert to fraction form
    10,880.72/16,321.64 = 4,641.56/x
  3. Step 3: Cross multiply
    10,880.72x = 16,321.64 × 4,641.56
  4. Step 4: Simplify right side
    10,880.72x = 75,757,871.36
  5. Step 5: Solve for x
    x = 75,757,871.36/10,880.72
  6. Step 6: Final answer
    x = 6,962.58

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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.