Home / 14,630.88-20,187.02-8,662.26

Finding the Fourth Proportional to 14,630.88, 20,187.02 and 8,662.26

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Solution

The fourth proportional to 14,630.88, 20,187.02 and 8,662.26 is: 11,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.88 : 20,187.02 = 8,662.26 : x
  2. Step 2: Convert to fraction form
    14,630.88/20,187.02 = 8,662.26/x
  3. Step 3: Cross multiply
    14,630.88x = 20,187.02 × 8,662.26
  4. Step 4: Simplify right side
    14,630.88x = 174,865,215.87
  5. Step 5: Solve for x
    x = 174,865,215.87/14,630.88
  6. Step 6: Final answer
    x = 11,951.79

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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.