Home / 19,373.14-26,728.06-12,662.64

Finding the Fourth Proportional to 19,373.14, 26,728.06 and 12,662.64

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Solution

The fourth proportional to 19,373.14, 26,728.06 and 12,662.64 is: 17,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.14 : 26,728.06 = 12,662.64 : x
  2. Step 2: Convert to fraction form
    19,373.14/26,728.06 = 12,662.64/x
  3. Step 3: Cross multiply
    19,373.14x = 26,728.06 × 12,662.64
  4. Step 4: Simplify right side
    19,373.14x = 338,447,868.94
  5. Step 5: Solve for x
    x = 338,447,868.94/19,373.14
  6. Step 6: Final answer
    x = 17,469.95

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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.