Home / 13,915.94-20,869.48-4,553.44

Finding the Fourth Proportional to 13,915.94, 20,869.48 and 4,553.44

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Solution

The fourth proportional to 13,915.94, 20,869.48 and 4,553.44 is: 6,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.94 : 20,869.48 = 4,553.44 : x
  2. Step 2: Convert to fraction form
    13,915.94/20,869.48 = 4,553.44/x
  3. Step 3: Cross multiply
    13,915.94x = 20,869.48 × 4,553.44
  4. Step 4: Simplify right side
    13,915.94x = 95,027,925.01
  5. Step 5: Solve for x
    x = 95,027,925.01/13,915.94
  6. Step 6: Final answer
    x = 6,828.71

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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.