Home / 14,786.08-20,369.07-12,654.77

Finding the Fourth Proportional to 14,786.08, 20,369.07 and 12,654.77

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Solution

The fourth proportional to 14,786.08, 20,369.07 and 12,654.77 is: 17,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.08 : 20,369.07 = 12,654.77 : x
  2. Step 2: Convert to fraction form
    14,786.08/20,369.07 = 12,654.77/x
  3. Step 3: Cross multiply
    14,786.08x = 20,369.07 × 12,654.77
  4. Step 4: Simplify right side
    14,786.08x = 257,765,895.96
  5. Step 5: Solve for x
    x = 257,765,895.96/14,786.08
  6. Step 6: Final answer
    x = 17,433.01

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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.