Home / 14,189.69-21,284.58-14,169.19

Finding the Fourth Proportional to 14,189.69, 21,284.58 and 14,169.19

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Solution

The fourth proportional to 14,189.69, 21,284.58 and 14,169.19 is: 21,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.69 : 21,284.58 = 14,169.19 : x
  2. Step 2: Convert to fraction form
    14,189.69/21,284.58 = 14,169.19/x
  3. Step 3: Cross multiply
    14,189.69x = 21,284.58 × 14,169.19
  4. Step 4: Simplify right side
    14,189.69x = 301,585,258.09
  5. Step 5: Solve for x
    x = 301,585,258.09/14,189.69
  6. Step 6: Final answer
    x = 21,253.83

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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.