Home / 19,211.23-28,818.33-7,370.67

Finding the Fourth Proportional to 19,211.23, 28,818.33 and 7,370.67

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Solution

The fourth proportional to 19,211.23, 28,818.33 and 7,370.67 is: 11,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.23 : 28,818.33 = 7,370.67 : x
  2. Step 2: Convert to fraction form
    19,211.23/28,818.33 = 7,370.67/x
  3. Step 3: Cross multiply
    19,211.23x = 28,818.33 × 7,370.67
  4. Step 4: Simplify right side
    19,211.23x = 212,410,400.38
  5. Step 5: Solve for x
    x = 212,410,400.38/19,211.23
  6. Step 6: Final answer
    x = 11,056.57

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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.