Home / 19,021.02-26,255.61-13,072.38

Finding the Fourth Proportional to 19,021.02, 26,255.61 and 13,072.38

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Solution

The fourth proportional to 19,021.02, 26,255.61 and 13,072.38 is: 18,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.02 : 26,255.61 = 13,072.38 : x
  2. Step 2: Convert to fraction form
    19,021.02/26,255.61 = 13,072.38/x
  3. Step 3: Cross multiply
    19,021.02x = 26,255.61 × 13,072.38
  4. Step 4: Simplify right side
    19,021.02x = 343,223,311.05
  5. Step 5: Solve for x
    x = 343,223,311.05/19,021.02
  6. Step 6: Final answer
    x = 18,044.42

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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.