Home / 22,012.44-30,369.78-12,574.32

Finding the Fourth Proportional to 22,012.44, 30,369.78 and 12,574.32

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Solution

The fourth proportional to 22,012.44, 30,369.78 and 12,574.32 is: 17,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.44 : 30,369.78 = 12,574.32 : x
  2. Step 2: Convert to fraction form
    22,012.44/30,369.78 = 12,574.32/x
  3. Step 3: Cross multiply
    22,012.44x = 30,369.78 × 12,574.32
  4. Step 4: Simplify right side
    22,012.44x = 381,879,332.05
  5. Step 5: Solve for x
    x = 381,879,332.05/22,012.44
  6. Step 6: Final answer
    x = 17,348.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.