Home / 19,603.74-29,405.91-10,819.56

Finding the Fourth Proportional to 19,603.74, 29,405.91 and 10,819.56

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Solution

The fourth proportional to 19,603.74, 29,405.91 and 10,819.56 is: 16,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.74 : 29,405.91 = 10,819.56 : x
  2. Step 2: Convert to fraction form
    19,603.74/29,405.91 = 10,819.56/x
  3. Step 3: Cross multiply
    19,603.74x = 29,405.91 × 10,819.56
  4. Step 4: Simplify right side
    19,603.74x = 318,159,007.60
  5. Step 5: Solve for x
    x = 318,159,007.60/19,603.74
  6. Step 6: Final answer
    x = 16,229.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.