Home / 30,198.77-45,270.20-11,473.19

Finding the Fourth Proportional to 30,198.77, 45,270.20 and 11,473.19

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Solution

The fourth proportional to 30,198.77, 45,270.20 and 11,473.19 is: 17,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.77 : 45,270.20 = 11,473.19 : x
  2. Step 2: Convert to fraction form
    30,198.77/45,270.20 = 11,473.19/x
  3. Step 3: Cross multiply
    30,198.77x = 45,270.20 × 11,473.19
  4. Step 4: Simplify right side
    30,198.77x = 519,393,605.94
  5. Step 5: Solve for x
    x = 519,393,605.94/30,198.77
  6. Step 6: Final answer
    x = 17,199.16

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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.