Home / 14,270.42-21,391.04-4,907.64

Finding the Fourth Proportional to 14,270.42, 21,391.04 and 4,907.64

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Solution

The fourth proportional to 14,270.42, 21,391.04 and 4,907.64 is: 7,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.42 : 21,391.04 = 4,907.64 : x
  2. Step 2: Convert to fraction form
    14,270.42/21,391.04 = 4,907.64/x
  3. Step 3: Cross multiply
    14,270.42x = 21,391.04 × 4,907.64
  4. Step 4: Simplify right side
    14,270.42x = 104,979,523.55
  5. Step 5: Solve for x
    x = 104,979,523.55/14,270.42
  6. Step 6: Final answer
    x = 7,356.44

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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.