Home / 18,734.09-28,100.47-4,694.23

Finding the Fourth Proportional to 18,734.09, 28,100.47 and 4,694.23

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Solution

The fourth proportional to 18,734.09, 28,100.47 and 4,694.23 is: 7,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.09 : 28,100.47 = 4,694.23 : x
  2. Step 2: Convert to fraction form
    18,734.09/28,100.47 = 4,694.23/x
  3. Step 3: Cross multiply
    18,734.09x = 28,100.47 × 4,694.23
  4. Step 4: Simplify right side
    18,734.09x = 131,910,045.82
  5. Step 5: Solve for x
    x = 131,910,045.82/18,734.09
  6. Step 6: Final answer
    x = 7,041.18

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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.