Home / 13,738.49-18,950.10-10,901.37

Finding the Fourth Proportional to 13,738.49, 18,950.10 and 10,901.37

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Solution

The fourth proportional to 13,738.49, 18,950.10 and 10,901.37 is: 15,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.49 : 18,950.10 = 10,901.37 : x
  2. Step 2: Convert to fraction form
    13,738.49/18,950.10 = 10,901.37/x
  3. Step 3: Cross multiply
    13,738.49x = 18,950.10 × 10,901.37
  4. Step 4: Simplify right side
    13,738.49x = 206,582,036.55
  5. Step 5: Solve for x
    x = 206,582,036.55/13,738.49
  6. Step 6: Final answer
    x = 15,036.73

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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.