Home / 19,771.04-29,650.46-10,405.98

Finding the Fourth Proportional to 19,771.04, 29,650.46 and 10,405.98

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Solution

The fourth proportional to 19,771.04, 29,650.46 and 10,405.98 is: 15,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.04 : 29,650.46 = 10,405.98 : x
  2. Step 2: Convert to fraction form
    19,771.04/29,650.46 = 10,405.98/x
  3. Step 3: Cross multiply
    19,771.04x = 29,650.46 × 10,405.98
  4. Step 4: Simplify right side
    19,771.04x = 308,542,041.72
  5. Step 5: Solve for x
    x = 308,542,041.72/19,771.04
  6. Step 6: Final answer
    x = 15,605.75

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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.