Home / 12,429.63-18,630.93-6,194.28

Finding the Fourth Proportional to 12,429.63, 18,630.93 and 6,194.28

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Solution

The fourth proportional to 12,429.63, 18,630.93 and 6,194.28 is: 9,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429.63 : 18,630.93 = 6,194.28 : x
  2. Step 2: Convert to fraction form
    12,429.63/18,630.93 = 6,194.28/x
  3. Step 3: Cross multiply
    12,429.63x = 18,630.93 × 6,194.28
  4. Step 4: Simplify right side
    12,429.63x = 115,405,197.08
  5. Step 5: Solve for x
    x = 115,405,197.08/12,429.63
  6. Step 6: Final answer
    x = 9,284.68

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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.