Home / 30,172.27-45,262.37-11,194.32

Finding the Fourth Proportional to 30,172.27, 45,262.37 and 11,194.32

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Solution

The fourth proportional to 30,172.27, 45,262.37 and 11,194.32 is: 16,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,172.27 : 45,262.37 = 11,194.32 : x
  2. Step 2: Convert to fraction form
    30,172.27/45,262.37 = 11,194.32/x
  3. Step 3: Cross multiply
    30,172.27x = 45,262.37 × 11,194.32
  4. Step 4: Simplify right side
    30,172.27x = 506,681,227.43
  5. Step 5: Solve for x
    x = 506,681,227.43/30,172.27
  6. Step 6: Final answer
    x = 16,792.95

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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.