Home / 11,637.99-17,456.78-2,872.91

Finding the Fourth Proportional to 11,637.99, 17,456.78 and 2,872.91

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Solution

The fourth proportional to 11,637.99, 17,456.78 and 2,872.91 is: 4,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.99 : 17,456.78 = 2,872.91 : x
  2. Step 2: Convert to fraction form
    11,637.99/17,456.78 = 2,872.91/x
  3. Step 3: Cross multiply
    11,637.99x = 17,456.78 × 2,872.91
  4. Step 4: Simplify right side
    11,637.99x = 50,151,808.65
  5. Step 5: Solve for x
    x = 50,151,808.65/11,637.99
  6. Step 6: Final answer
    x = 4,309.32

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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.