Home / 15,298.75-21,112.23-8,584.41

Finding the Fourth Proportional to 15,298.75, 21,112.23 and 8,584.41

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Solution

The fourth proportional to 15,298.75, 21,112.23 and 8,584.41 is: 11,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.75 : 21,112.23 = 8,584.41 : x
  2. Step 2: Convert to fraction form
    15,298.75/21,112.23 = 8,584.41/x
  3. Step 3: Cross multiply
    15,298.75x = 21,112.23 × 8,584.41
  4. Step 4: Simplify right side
    15,298.75x = 181,235,982.65
  5. Step 5: Solve for x
    x = 181,235,982.65/15,298.75
  6. Step 6: Final answer
    x = 11,846.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.