Home / 18,521.44-25,568.02-11,816.28

Finding the Fourth Proportional to 18,521.44, 25,568.02 and 11,816.28

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Solution

The fourth proportional to 18,521.44, 25,568.02 and 11,816.28 is: 16,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.44 : 25,568.02 = 11,816.28 : x
  2. Step 2: Convert to fraction form
    18,521.44/25,568.02 = 11,816.28/x
  3. Step 3: Cross multiply
    18,521.44x = 25,568.02 × 11,816.28
  4. Step 4: Simplify right side
    18,521.44x = 302,118,883.37
  5. Step 5: Solve for x
    x = 302,118,883.37/18,521.44
  6. Step 6: Final answer
    x = 16,311.85

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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.