Home / 20,596.42-28,427.16-11,643.94

Finding the Fourth Proportional to 20,596.42, 28,427.16 and 11,643.94

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Solution

The fourth proportional to 20,596.42, 28,427.16 and 11,643.94 is: 16,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.42 : 28,427.16 = 11,643.94 : x
  2. Step 2: Convert to fraction form
    20,596.42/28,427.16 = 11,643.94/x
  3. Step 3: Cross multiply
    20,596.42x = 28,427.16 × 11,643.94
  4. Step 4: Simplify right side
    20,596.42x = 331,004,145.41
  5. Step 5: Solve for x
    x = 331,004,145.41/20,596.42
  6. Step 6: Final answer
    x = 16,070.96

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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.