Home / 12,630.36-18,932.31-4,307.46

Finding the Fourth Proportional to 12,630.36, 18,932.31 and 4,307.46

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Solution

The fourth proportional to 12,630.36, 18,932.31 and 4,307.46 is: 6,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630.36 : 18,932.31 = 4,307.46 : x
  2. Step 2: Convert to fraction form
    12,630.36/18,932.31 = 4,307.46/x
  3. Step 3: Cross multiply
    12,630.36x = 18,932.31 × 4,307.46
  4. Step 4: Simplify right side
    12,630.36x = 81,550,168.03
  5. Step 5: Solve for x
    x = 81,550,168.03/12,630.36
  6. Step 6: Final answer
    x = 6,456.68

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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.