Home / 12,633.60-18,951.36-9,676.32

Finding the Fourth Proportional to 12,633.60, 18,951.36 and 9,676.32

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Solution

The fourth proportional to 12,633.60, 18,951.36 and 9,676.32 is: 14,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.60 : 18,951.36 = 9,676.32 : x
  2. Step 2: Convert to fraction form
    12,633.60/18,951.36 = 9,676.32/x
  3. Step 3: Cross multiply
    12,633.60x = 18,951.36 × 9,676.32
  4. Step 4: Simplify right side
    12,633.60x = 183,379,423.80
  5. Step 5: Solve for x
    x = 183,379,423.80/12,633.60
  6. Step 6: Final answer
    x = 14,515.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.