Home / 14,122.14-21,183.36-4,261.50

Finding the Fourth Proportional to 14,122.14, 21,183.36 and 4,261.50

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Solution

The fourth proportional to 14,122.14, 21,183.36 and 4,261.50 is: 6,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.14 : 21,183.36 = 4,261.50 : x
  2. Step 2: Convert to fraction form
    14,122.14/21,183.36 = 4,261.50/x
  3. Step 3: Cross multiply
    14,122.14x = 21,183.36 × 4,261.50
  4. Step 4: Simplify right side
    14,122.14x = 90,272,888.64
  5. Step 5: Solve for x
    x = 90,272,888.64/14,122.14
  6. Step 6: Final answer
    x = 6,392.30

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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.