Home / 19,227.27-28,800.55-12,203.67

Finding the Fourth Proportional to 19,227.27, 28,800.55 and 12,203.67

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Solution

The fourth proportional to 19,227.27, 28,800.55 and 12,203.67 is: 18,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.27 : 28,800.55 = 12,203.67 : x
  2. Step 2: Convert to fraction form
    19,227.27/28,800.55 = 12,203.67/x
  3. Step 3: Cross multiply
    19,227.27x = 28,800.55 × 12,203.67
  4. Step 4: Simplify right side
    19,227.27x = 351,472,408.02
  5. Step 5: Solve for x
    x = 351,472,408.02/19,227.27
  6. Step 6: Final answer
    x = 18,279.89

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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.