Home / 19,121.05-26,379.68-14,097.21

Finding the Fourth Proportional to 19,121.05, 26,379.68 and 14,097.21

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Solution

The fourth proportional to 19,121.05, 26,379.68 and 14,097.21 is: 19,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.05 : 26,379.68 = 14,097.21 : x
  2. Step 2: Convert to fraction form
    19,121.05/26,379.68 = 14,097.21/x
  3. Step 3: Cross multiply
    19,121.05x = 26,379.68 × 14,097.21
  4. Step 4: Simplify right side
    19,121.05x = 371,879,818.21
  5. Step 5: Solve for x
    x = 371,879,818.21/19,121.05
  6. Step 6: Final answer
    x = 19,448.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.