Home / 14,559.36-20,074.80-12,174.72

Finding the Fourth Proportional to 14,559.36, 20,074.80 and 12,174.72

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Solution

The fourth proportional to 14,559.36, 20,074.80 and 12,174.72 is: 16,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.36 : 20,074.80 = 12,174.72 : x
  2. Step 2: Convert to fraction form
    14,559.36/20,074.80 = 12,174.72/x
  3. Step 3: Cross multiply
    14,559.36x = 20,074.80 × 12,174.72
  4. Step 4: Simplify right side
    14,559.36x = 244,405,069.06
  5. Step 5: Solve for x
    x = 244,405,069.06/14,559.36
  6. Step 6: Final answer
    x = 16,786.80

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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.