Home / 18,694.86-28,042.02-5,556.12

Finding the Fourth Proportional to 18,694.86, 28,042.02 and 5,556.12

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Solution

The fourth proportional to 18,694.86, 28,042.02 and 5,556.12 is: 8,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.86 : 28,042.02 = 5,556.12 : x
  2. Step 2: Convert to fraction form
    18,694.86/28,042.02 = 5,556.12/x
  3. Step 3: Cross multiply
    18,694.86x = 28,042.02 × 5,556.12
  4. Step 4: Simplify right side
    18,694.86x = 155,804,828.16
  5. Step 5: Solve for x
    x = 155,804,828.16/18,694.86
  6. Step 6: Final answer
    x = 8,334.10

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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.