Home / 19,855.80-29,756.70-10,001.88

Finding the Fourth Proportional to 19,855.80, 29,756.70 and 10,001.88

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Solution

The fourth proportional to 19,855.80, 29,756.70 and 10,001.88 is: 14,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.80 : 29,756.70 = 10,001.88 : x
  2. Step 2: Convert to fraction form
    19,855.80/29,756.70 = 10,001.88/x
  3. Step 3: Cross multiply
    19,855.80x = 29,756.70 × 10,001.88
  4. Step 4: Simplify right side
    19,855.80x = 297,622,942.60
  5. Step 5: Solve for x
    x = 297,622,942.60/19,855.80
  6. Step 6: Final answer
    x = 14,989.22

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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.