Home / 11,313.34-16,966.03-3,915.80

Finding the Fourth Proportional to 11,313.34, 16,966.03 and 3,915.80

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Solution

The fourth proportional to 11,313.34, 16,966.03 and 3,915.80 is: 5,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.34 : 16,966.03 = 3,915.80 : x
  2. Step 2: Convert to fraction form
    11,313.34/16,966.03 = 3,915.80/x
  3. Step 3: Cross multiply
    11,313.34x = 16,966.03 × 3,915.80
  4. Step 4: Simplify right side
    11,313.34x = 66,435,580.27
  5. Step 5: Solve for x
    x = 66,435,580.27/11,313.34
  6. Step 6: Final answer
    x = 5,872.32

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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.