Home / 11,276.96-16,915.44-3,485.60

Finding the Fourth Proportional to 11,276.96, 16,915.44 and 3,485.60

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Solution

The fourth proportional to 11,276.96, 16,915.44 and 3,485.60 is: 5,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.96 : 16,915.44 = 3,485.60 : x
  2. Step 2: Convert to fraction form
    11,276.96/16,915.44 = 3,485.60/x
  3. Step 3: Cross multiply
    11,276.96x = 16,915.44 × 3,485.60
  4. Step 4: Simplify right side
    11,276.96x = 58,960,457.66
  5. Step 5: Solve for x
    x = 58,960,457.66/11,276.96
  6. Step 6: Final answer
    x = 5,228.40

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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.