Home / 14,596.80-20,143.72-8,309.22

Finding the Fourth Proportional to 14,596.80, 20,143.72 and 8,309.22

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Solution

The fourth proportional to 14,596.80, 20,143.72 and 8,309.22 is: 11,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,596.80 : 20,143.72 = 8,309.22 : x
  2. Step 2: Convert to fraction form
    14,596.80/20,143.72 = 8,309.22/x
  3. Step 3: Cross multiply
    14,596.80x = 20,143.72 × 8,309.22
  4. Step 4: Simplify right side
    14,596.80x = 167,378,601.10
  5. Step 5: Solve for x
    x = 167,378,601.10/14,596.80
  6. Step 6: Final answer
    x = 11,466.80

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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.