Home / 18,946.23-28,403.15-7,267.83

Finding the Fourth Proportional to 18,946.23, 28,403.15 and 7,267.83

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Solution

The fourth proportional to 18,946.23, 28,403.15 and 7,267.83 is: 10,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.23 : 28,403.15 = 7,267.83 : x
  2. Step 2: Convert to fraction form
    18,946.23/28,403.15 = 7,267.83/x
  3. Step 3: Cross multiply
    18,946.23x = 28,403.15 × 7,267.83
  4. Step 4: Simplify right side
    18,946.23x = 206,429,229.33
  5. Step 5: Solve for x
    x = 206,429,229.33/18,946.23
  6. Step 6: Final answer
    x = 10,895.53

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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.