Home / 14,297.20-21,451.67-5,978.97

Finding the Fourth Proportional to 14,297.20, 21,451.67 and 5,978.97

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Solution

The fourth proportional to 14,297.20, 21,451.67 and 5,978.97 is: 8,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.20 : 21,451.67 = 5,978.97 : x
  2. Step 2: Convert to fraction form
    14,297.20/21,451.67 = 5,978.97/x
  3. Step 3: Cross multiply
    14,297.20x = 21,451.67 × 5,978.97
  4. Step 4: Simplify right side
    14,297.20x = 128,258,891.38
  5. Step 5: Solve for x
    x = 128,258,891.38/14,297.20
  6. Step 6: Final answer
    x = 8,970.91

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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.