Home / 14,678.72-20,232.94-12,021.44

Finding the Fourth Proportional to 14,678.72, 20,232.94 and 12,021.44

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Solution

The fourth proportional to 14,678.72, 20,232.94 and 12,021.44 is: 16,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.72 : 20,232.94 = 12,021.44 : x
  2. Step 2: Convert to fraction form
    14,678.72/20,232.94 = 12,021.44/x
  3. Step 3: Cross multiply
    14,678.72x = 20,232.94 × 12,021.44
  4. Step 4: Simplify right side
    14,678.72x = 243,229,074.23
  5. Step 5: Solve for x
    x = 243,229,074.23/14,678.72
  6. Step 6: Final answer
    x = 16,570.18

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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.