Home / 14,284.51-21,421.74-4,286.27

Finding the Fourth Proportional to 14,284.51, 21,421.74 and 4,286.27

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Solution

The fourth proportional to 14,284.51, 21,421.74 and 4,286.27 is: 6,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.51 : 21,421.74 = 4,286.27 : x
  2. Step 2: Convert to fraction form
    14,284.51/21,421.74 = 4,286.27/x
  3. Step 3: Cross multiply
    14,284.51x = 21,421.74 × 4,286.27
  4. Step 4: Simplify right side
    14,284.51x = 91,819,361.51
  5. Step 5: Solve for x
    x = 91,819,361.51/14,284.51
  6. Step 6: Final answer
    x = 6,427.90

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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.