Home / 19,121.55-26,380.37-14,097.71

Finding the Fourth Proportional to 19,121.55, 26,380.37 and 14,097.71

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Solution

The fourth proportional to 19,121.55, 26,380.37 and 14,097.71 is: 19,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.55 : 26,380.37 = 14,097.71 : x
  2. Step 2: Convert to fraction form
    19,121.55/26,380.37 = 14,097.71/x
  3. Step 3: Cross multiply
    19,121.55x = 26,380.37 × 14,097.71
  4. Step 4: Simplify right side
    19,121.55x = 371,902,735.46
  5. Step 5: Solve for x
    x = 371,902,735.46/19,121.55
  6. Step 6: Final answer
    x = 19,449.40

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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.