Home / 11,294.89-16,942.80-4,274.20

Finding the Fourth Proportional to 11,294.89, 16,942.80 and 4,274.20

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Solution

The fourth proportional to 11,294.89, 16,942.80 and 4,274.20 is: 6,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.89 : 16,942.80 = 4,274.20 : x
  2. Step 2: Convert to fraction form
    11,294.89/16,942.80 = 4,274.20/x
  3. Step 3: Cross multiply
    11,294.89x = 16,942.80 × 4,274.20
  4. Step 4: Simplify right side
    11,294.89x = 72,416,915.76
  5. Step 5: Solve for x
    x = 72,416,915.76/11,294.89
  6. Step 6: Final answer
    x = 6,411.48

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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.