Home / 19,021.69-26,247.91-10,522.47

Finding the Fourth Proportional to 19,021.69, 26,247.91 and 10,522.47

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Solution

The fourth proportional to 19,021.69, 26,247.91 and 10,522.47 is: 14,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.69 : 26,247.91 = 10,522.47 : x
  2. Step 2: Convert to fraction form
    19,021.69/26,247.91 = 10,522.47/x
  3. Step 3: Cross multiply
    19,021.69x = 26,247.91 × 10,522.47
  4. Step 4: Simplify right side
    19,021.69x = 276,192,845.54
  5. Step 5: Solve for x
    x = 276,192,845.54/19,021.69
  6. Step 6: Final answer
    x = 14,519.89

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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.