Home / 14,101.89-21,150.81-3,713.64

Finding the Fourth Proportional to 14,101.89, 21,150.81 and 3,713.64

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Solution

The fourth proportional to 14,101.89, 21,150.81 and 3,713.64 is: 5,569.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.89 : 21,150.81 = 3,713.64 : x
  2. Step 2: Convert to fraction form
    14,101.89/21,150.81 = 3,713.64/x
  3. Step 3: Cross multiply
    14,101.89x = 21,150.81 × 3,713.64
  4. Step 4: Simplify right side
    14,101.89x = 78,546,494.05
  5. Step 5: Solve for x
    x = 78,546,494.05/14,101.89
  6. Step 6: Final answer
    x = 5,569.93

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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.