Home / 19,819.74-29,710.55-7,336.37

Finding the Fourth Proportional to 19,819.74, 29,710.55 and 7,336.37

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Solution

The fourth proportional to 19,819.74, 29,710.55 and 7,336.37 is: 10,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.74 : 29,710.55 = 7,336.37 : x
  2. Step 2: Convert to fraction form
    19,819.74/29,710.55 = 7,336.37/x
  3. Step 3: Cross multiply
    19,819.74x = 29,710.55 × 7,336.37
  4. Step 4: Simplify right side
    19,819.74x = 217,967,639.05
  5. Step 5: Solve for x
    x = 217,967,639.05/19,819.74
  6. Step 6: Final answer
    x = 10,997.50

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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.