Home / 14,786.33-20,369.41-12,655.02

Finding the Fourth Proportional to 14,786.33, 20,369.41 and 12,655.02

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Solution

The fourth proportional to 14,786.33, 20,369.41 and 12,655.02 is: 17,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.33 : 20,369.41 = 12,655.02 : x
  2. Step 2: Convert to fraction form
    14,786.33/20,369.41 = 12,655.02/x
  3. Step 3: Cross multiply
    14,786.33x = 20,369.41 × 12,655.02
  4. Step 4: Simplify right side
    14,786.33x = 257,775,290.94
  5. Step 5: Solve for x
    x = 257,775,290.94/14,786.33
  6. Step 6: Final answer
    x = 17,433.35

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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.