Home / 12,562.55-18,843.01-4,771.16

Finding the Fourth Proportional to 12,562.55, 18,843.01 and 4,771.16

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Solution

The fourth proportional to 12,562.55, 18,843.01 and 4,771.16 is: 7,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.55 : 18,843.01 = 4,771.16 : x
  2. Step 2: Convert to fraction form
    12,562.55/18,843.01 = 4,771.16/x
  3. Step 3: Cross multiply
    12,562.55x = 18,843.01 × 4,771.16
  4. Step 4: Simplify right side
    12,562.55x = 89,902,909.45
  5. Step 5: Solve for x
    x = 89,902,909.45/12,562.55
  6. Step 6: Final answer
    x = 7,156.42

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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.