Home / 18,631.06-25,733.94-13,518.37

Finding the Fourth Proportional to 18,631.06, 25,733.94 and 13,518.37

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Solution

The fourth proportional to 18,631.06, 25,733.94 and 13,518.37 is: 18,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.06 : 25,733.94 = 13,518.37 : x
  2. Step 2: Convert to fraction form
    18,631.06/25,733.94 = 13,518.37/x
  3. Step 3: Cross multiply
    18,631.06x = 25,733.94 × 13,518.37
  4. Step 4: Simplify right side
    18,631.06x = 347,880,897.61
  5. Step 5: Solve for x
    x = 347,880,897.61/18,631.06
  6. Step 6: Final answer
    x = 18,672.09

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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.