Home / 19,011.57-28,520.60-5,861.49

Finding the Fourth Proportional to 19,011.57, 28,520.60 and 5,861.49

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Solution

The fourth proportional to 19,011.57, 28,520.60 and 5,861.49 is: 8,793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.57 : 28,520.60 = 5,861.49 : x
  2. Step 2: Convert to fraction form
    19,011.57/28,520.60 = 5,861.49/x
  3. Step 3: Cross multiply
    19,011.57x = 28,520.60 × 5,861.49
  4. Step 4: Simplify right side
    19,011.57x = 167,173,211.69
  5. Step 5: Solve for x
    x = 167,173,211.69/19,011.57
  6. Step 6: Final answer
    x = 8,793.24

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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.