Home / 18,618.93-27,927.70-4,579.00

Finding the Fourth Proportional to 18,618.93, 27,927.70 and 4,579.00

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Solution

The fourth proportional to 18,618.93, 27,927.70 and 4,579.00 is: 6,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.93 : 27,927.70 = 4,579.00 : x
  2. Step 2: Convert to fraction form
    18,618.93/27,927.70 = 4,579.00/x
  3. Step 3: Cross multiply
    18,618.93x = 27,927.70 × 4,579.00
  4. Step 4: Simplify right side
    18,618.93x = 127,880,857.03
  5. Step 5: Solve for x
    x = 127,880,857.03/18,618.93
  6. Step 6: Final answer
    x = 6,868.32

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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.