Home / 10,915.04-16,369.56-4,250.48

Finding the Fourth Proportional to 10,915.04, 16,369.56 and 4,250.48

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Solution

The fourth proportional to 10,915.04, 16,369.56 and 4,250.48 is: 6,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.04 : 16,369.56 = 4,250.48 : x
  2. Step 2: Convert to fraction form
    10,915.04/16,369.56 = 4,250.48/x
  3. Step 3: Cross multiply
    10,915.04x = 16,369.56 × 4,250.48
  4. Step 4: Simplify right side
    10,915.04x = 69,578,487.39
  5. Step 5: Solve for x
    x = 69,578,487.39/10,915.04
  6. Step 6: Final answer
    x = 6,374.55

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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.