Home / 19,442.36-26,834.27-12,644.80

Finding the Fourth Proportional to 19,442.36, 26,834.27 and 12,644.80

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Solution

The fourth proportional to 19,442.36, 26,834.27 and 12,644.80 is: 17,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.36 : 26,834.27 = 12,644.80 : x
  2. Step 2: Convert to fraction form
    19,442.36/26,834.27 = 12,644.80/x
  3. Step 3: Cross multiply
    19,442.36x = 26,834.27 × 12,644.80
  4. Step 4: Simplify right side
    19,442.36x = 339,313,846.99
  5. Step 5: Solve for x
    x = 339,313,846.99/19,442.36
  6. Step 6: Final answer
    x = 17,452.30

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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.