Home / 14,120.79-21,183.02-4,261.06

Finding the Fourth Proportional to 14,120.79, 21,183.02 and 4,261.06

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Solution

The fourth proportional to 14,120.79, 21,183.02 and 4,261.06 is: 6,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.79 : 21,183.02 = 4,261.06 : x
  2. Step 2: Convert to fraction form
    14,120.79/21,183.02 = 4,261.06/x
  3. Step 3: Cross multiply
    14,120.79x = 21,183.02 × 4,261.06
  4. Step 4: Simplify right side
    14,120.79x = 90,262,119.20
  5. Step 5: Solve for x
    x = 90,262,119.20/14,120.79
  6. Step 6: Final answer
    x = 6,392.14

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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.