Home / 14,226.39-21,386.33-13,198.81

Finding the Fourth Proportional to 14,226.39, 21,386.33 and 13,198.81

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Solution

The fourth proportional to 14,226.39, 21,386.33 and 13,198.81 is: 19,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.39 : 21,386.33 = 13,198.81 : x
  2. Step 2: Convert to fraction form
    14,226.39/21,386.33 = 13,198.81/x
  3. Step 3: Cross multiply
    14,226.39x = 21,386.33 × 13,198.81
  4. Step 4: Simplify right side
    14,226.39x = 282,273,986.81
  5. Step 5: Solve for x
    x = 282,273,986.81/14,226.39
  6. Step 6: Final answer
    x = 19,841.58

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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.