Home / 18,418.08-27,621.72-6,569.94

Finding the Fourth Proportional to 18,418.08, 27,621.72 and 6,569.94

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Solution

The fourth proportional to 18,418.08, 27,621.72 and 6,569.94 is: 9,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.08 : 27,621.72 = 6,569.94 : x
  2. Step 2: Convert to fraction form
    18,418.08/27,621.72 = 6,569.94/x
  3. Step 3: Cross multiply
    18,418.08x = 27,621.72 × 6,569.94
  4. Step 4: Simplify right side
    18,418.08x = 181,473,043.10
  5. Step 5: Solve for x
    x = 181,473,043.10/18,418.08
  6. Step 6: Final answer
    x = 9,852.98

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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.