Home / 18,745.32-28,126.98-10,954.74

Finding the Fourth Proportional to 18,745.32, 28,126.98 and 10,954.74

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Solution

The fourth proportional to 18,745.32, 28,126.98 and 10,954.74 is: 16,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.32 : 28,126.98 = 10,954.74 : x
  2. Step 2: Convert to fraction form
    18,745.32/28,126.98 = 10,954.74/x
  3. Step 3: Cross multiply
    18,745.32x = 28,126.98 × 10,954.74
  4. Step 4: Simplify right side
    18,745.32x = 308,123,752.89
  5. Step 5: Solve for x
    x = 308,123,752.89/18,745.32
  6. Step 6: Final answer
    x = 16,437.37

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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.