Home / 19,137.67-28,711.95-7,454.23

Finding the Fourth Proportional to 19,137.67, 28,711.95 and 7,454.23

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Solution

The fourth proportional to 19,137.67, 28,711.95 and 7,454.23 is: 11,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.67 : 28,711.95 = 7,454.23 : x
  2. Step 2: Convert to fraction form
    19,137.67/28,711.95 = 7,454.23/x
  3. Step 3: Cross multiply
    19,137.67x = 28,711.95 × 7,454.23
  4. Step 4: Simplify right side
    19,137.67x = 214,025,479.05
  5. Step 5: Solve for x
    x = 214,025,479.05/19,137.67
  6. Step 6: Final answer
    x = 11,183.47

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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.