Home / 18,623.70-27,929.61-6,141.39

Finding the Fourth Proportional to 18,623.70, 27,929.61 and 6,141.39

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Solution

The fourth proportional to 18,623.70, 27,929.61 and 6,141.39 is: 9,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.70 : 27,929.61 = 6,141.39 : x
  2. Step 2: Convert to fraction form
    18,623.70/27,929.61 = 6,141.39/x
  3. Step 3: Cross multiply
    18,623.70x = 27,929.61 × 6,141.39
  4. Step 4: Simplify right side
    18,623.70x = 171,526,627.56
  5. Step 5: Solve for x
    x = 171,526,627.56/18,623.70
  6. Step 6: Final answer
    x = 9,210.13

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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.