Home / 12,340.26-18,493.83-7,955.46

Finding the Fourth Proportional to 12,340.26, 18,493.83 and 7,955.46

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Solution

The fourth proportional to 12,340.26, 18,493.83 and 7,955.46 is: 11,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.26 : 18,493.83 = 7,955.46 : x
  2. Step 2: Convert to fraction form
    12,340.26/18,493.83 = 7,955.46/x
  3. Step 3: Cross multiply
    12,340.26x = 18,493.83 × 7,955.46
  4. Step 4: Simplify right side
    12,340.26x = 147,126,924.81
  5. Step 5: Solve for x
    x = 147,126,924.81/12,340.26
  6. Step 6: Final answer
    x = 11,922.51

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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.