Home / 30,198.87-45,306.41-10,477.44

Finding the Fourth Proportional to 30,198.87, 45,306.41 and 10,477.44

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Solution

The fourth proportional to 30,198.87, 45,306.41 and 10,477.44 is: 15,718.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.87 : 45,306.41 = 10,477.44 : x
  2. Step 2: Convert to fraction form
    30,198.87/45,306.41 = 10,477.44/x
  3. Step 3: Cross multiply
    30,198.87x = 45,306.41 × 10,477.44
  4. Step 4: Simplify right side
    30,198.87x = 474,695,140.00
  5. Step 5: Solve for x
    x = 474,695,140.00/30,198.87
  6. Step 6: Final answer
    x = 15,718.97

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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.