Home / 18,266.73-27,386.72-5,779.77

Finding the Fourth Proportional to 18,266.73, 27,386.72 and 5,779.77

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Solution

The fourth proportional to 18,266.73, 27,386.72 and 5,779.77 is: 8,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.73 : 27,386.72 = 5,779.77 : x
  2. Step 2: Convert to fraction form
    18,266.73/27,386.72 = 5,779.77/x
  3. Step 3: Cross multiply
    18,266.73x = 27,386.72 × 5,779.77
  4. Step 4: Simplify right side
    18,266.73x = 158,288,942.65
  5. Step 5: Solve for x
    x = 158,288,942.65/18,266.73
  6. Step 6: Final answer
    x = 8,665.42

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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.