Home / 18,790.37-28,184.67-7,694.31

Finding the Fourth Proportional to 18,790.37, 28,184.67 and 7,694.31

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Solution

The fourth proportional to 18,790.37, 28,184.67 and 7,694.31 is: 11,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.37 : 28,184.67 = 7,694.31 : x
  2. Step 2: Convert to fraction form
    18,790.37/28,184.67 = 7,694.31/x
  3. Step 3: Cross multiply
    18,790.37x = 28,184.67 × 7,694.31
  4. Step 4: Simplify right side
    18,790.37x = 216,861,588.23
  5. Step 5: Solve for x
    x = 216,861,588.23/18,790.37
  6. Step 6: Final answer
    x = 11,541.10

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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.