Home / 18,623.75-27,929.67-6,141.44

Finding the Fourth Proportional to 18,623.75, 27,929.67 and 6,141.44

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Solution

The fourth proportional to 18,623.75, 27,929.67 and 6,141.44 is: 9,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.75 : 27,929.67 = 6,141.44 : x
  2. Step 2: Convert to fraction form
    18,623.75/27,929.67 = 6,141.44/x
  3. Step 3: Cross multiply
    18,623.75x = 27,929.67 × 6,141.44
  4. Step 4: Simplify right side
    18,623.75x = 171,528,252.88
  5. Step 5: Solve for x
    x = 171,528,252.88/18,623.75
  6. Step 6: Final answer
    x = 9,210.19

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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.