Home / 19,099.70-28,648.20-8,002.34

Finding the Fourth Proportional to 19,099.70, 28,648.20 and 8,002.34

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Solution

The fourth proportional to 19,099.70, 28,648.20 and 8,002.34 is: 12,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.70 : 28,648.20 = 8,002.34 : x
  2. Step 2: Convert to fraction form
    19,099.70/28,648.20 = 8,002.34/x
  3. Step 3: Cross multiply
    19,099.70x = 28,648.20 × 8,002.34
  4. Step 4: Simplify right side
    19,099.70x = 229,252,636.79
  5. Step 5: Solve for x
    x = 229,252,636.79/19,099.70
  6. Step 6: Final answer
    x = 12,002.94

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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.