Home / 14,157.93-21,239.97-4,297.95

Finding the Fourth Proportional to 14,157.93, 21,239.97 and 4,297.95

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Solution

The fourth proportional to 14,157.93, 21,239.97 and 4,297.95 is: 6,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.93 : 21,239.97 = 4,297.95 : x
  2. Step 2: Convert to fraction form
    14,157.93/21,239.97 = 4,297.95/x
  3. Step 3: Cross multiply
    14,157.93x = 21,239.97 × 4,297.95
  4. Step 4: Simplify right side
    14,157.93x = 91,288,329.06
  5. Step 5: Solve for x
    x = 91,288,329.06/14,157.93
  6. Step 6: Final answer
    x = 6,447.86

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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.