Home / 13,733.24-18,954.24-7,766.76

Finding the Fourth Proportional to 13,733.24, 18,954.24 and 7,766.76

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Solution

The fourth proportional to 13,733.24, 18,954.24 and 7,766.76 is: 10,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.24 : 18,954.24 = 7,766.76 : x
  2. Step 2: Convert to fraction form
    13,733.24/18,954.24 = 7,766.76/x
  3. Step 3: Cross multiply
    13,733.24x = 18,954.24 × 7,766.76
  4. Step 4: Simplify right side
    13,733.24x = 147,213,033.06
  5. Step 5: Solve for x
    x = 147,213,033.06/13,733.24
  6. Step 6: Final answer
    x = 10,719.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.