Home / 12,634.06-18,953.83-4,842.88

Finding the Fourth Proportional to 12,634.06, 18,953.83 and 4,842.88

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Solution

The fourth proportional to 12,634.06, 18,953.83 and 4,842.88 is: 7,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.06 : 18,953.83 = 4,842.88 : x
  2. Step 2: Convert to fraction form
    12,634.06/18,953.83 = 4,842.88/x
  3. Step 3: Cross multiply
    12,634.06x = 18,953.83 × 4,842.88
  4. Step 4: Simplify right side
    12,634.06x = 91,791,124.23
  5. Step 5: Solve for x
    x = 91,791,124.23/12,634.06
  6. Step 6: Final answer
    x = 7,265.37

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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.