Home / 12,535.99-18,804.91-4,215.97

Finding the Fourth Proportional to 12,535.99, 18,804.91 and 4,215.97

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Solution

The fourth proportional to 12,535.99, 18,804.91 and 4,215.97 is: 6,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.99 : 18,804.91 = 4,215.97 : x
  2. Step 2: Convert to fraction form
    12,535.99/18,804.91 = 4,215.97/x
  3. Step 3: Cross multiply
    12,535.99x = 18,804.91 × 4,215.97
  4. Step 4: Simplify right side
    12,535.99x = 79,280,936.41
  5. Step 5: Solve for x
    x = 79,280,936.41/12,535.99
  6. Step 6: Final answer
    x = 6,324.27

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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.