Home / 15,378.09-22,982.87-11,226.84

Finding the Fourth Proportional to 15,378.09, 22,982.87 and 11,226.84

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Solution

The fourth proportional to 15,378.09, 22,982.87 and 11,226.84 is: 16,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.09 : 22,982.87 = 11,226.84 : x
  2. Step 2: Convert to fraction form
    15,378.09/22,982.87 = 11,226.84/x
  3. Step 3: Cross multiply
    15,378.09x = 22,982.87 × 11,226.84
  4. Step 4: Simplify right side
    15,378.09x = 258,025,004.23
  5. Step 5: Solve for x
    x = 258,025,004.23/15,378.09
  6. Step 6: Final answer
    x = 16,778.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.