Home / 19,172.12-28,765.10-6,693.98

Finding the Fourth Proportional to 19,172.12, 28,765.10 and 6,693.98

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Solution

The fourth proportional to 19,172.12, 28,765.10 and 6,693.98 is: 10,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.12 : 28,765.10 = 6,693.98 : x
  2. Step 2: Convert to fraction form
    19,172.12/28,765.10 = 6,693.98/x
  3. Step 3: Cross multiply
    19,172.12x = 28,765.10 × 6,693.98
  4. Step 4: Simplify right side
    19,172.12x = 192,553,057.85
  5. Step 5: Solve for x
    x = 192,553,057.85/19,172.12
  6. Step 6: Final answer
    x = 10,043.39

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1.5x scale

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.