Home / 20,674.44-28,530.06-11,722.74

Finding the Fourth Proportional to 20,674.44, 28,530.06 and 11,722.74

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Solution

The fourth proportional to 20,674.44, 28,530.06 and 11,722.74 is: 16,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674.44 : 28,530.06 = 11,722.74 : x
  2. Step 2: Convert to fraction form
    20,674.44/28,530.06 = 11,722.74/x
  3. Step 3: Cross multiply
    20,674.44x = 28,530.06 × 11,722.74
  4. Step 4: Simplify right side
    20,674.44x = 334,450,475.56
  5. Step 5: Solve for x
    x = 334,450,475.56/20,674.44
  6. Step 6: Final answer
    x = 16,177.00

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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.