Home / 15,879.84-23,819.58-5,491.44

Finding the Fourth Proportional to 15,879.84, 23,819.58 and 5,491.44

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Solution

The fourth proportional to 15,879.84, 23,819.58 and 5,491.44 is: 8,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.84 : 23,819.58 = 5,491.44 : x
  2. Step 2: Convert to fraction form
    15,879.84/23,819.58 = 5,491.44/x
  3. Step 3: Cross multiply
    15,879.84x = 23,819.58 × 5,491.44
  4. Step 4: Simplify right side
    15,879.84x = 130,803,794.40
  5. Step 5: Solve for x
    x = 130,803,794.40/15,879.84
  6. Step 6: Final answer
    x = 8,237.10

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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.