Home / 14,616.37-20,170.79-8,647.89

Finding the Fourth Proportional to 14,616.37, 20,170.79 and 8,647.89

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Solution

The fourth proportional to 14,616.37, 20,170.79 and 8,647.89 is: 11,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.37 : 20,170.79 = 8,647.89 : x
  2. Step 2: Convert to fraction form
    14,616.37/20,170.79 = 8,647.89/x
  3. Step 3: Cross multiply
    14,616.37x = 20,170.79 × 8,647.89
  4. Step 4: Simplify right side
    14,616.37x = 174,434,773.13
  5. Step 5: Solve for x
    x = 174,434,773.13/14,616.37
  6. Step 6: Final answer
    x = 11,934.21

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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.