Home / 30,257.07-45,387.99-9,198.93

Finding the Fourth Proportional to 30,257.07, 45,387.99 and 9,198.93

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Solution

The fourth proportional to 30,257.07, 45,387.99 and 9,198.93 is: 13,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.07 : 45,387.99 = 9,198.93 : x
  2. Step 2: Convert to fraction form
    30,257.07/45,387.99 = 9,198.93/x
  3. Step 3: Cross multiply
    30,257.07x = 45,387.99 × 9,198.93
  4. Step 4: Simplify right side
    30,257.07x = 417,520,942.85
  5. Step 5: Solve for x
    x = 417,520,942.85/30,257.07
  6. Step 6: Final answer
    x = 13,799.12

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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.