Home / 18,974.34-28,403.19-16,174.98

Finding the Fourth Proportional to 18,974.34, 28,403.19 and 16,174.98

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Solution

The fourth proportional to 18,974.34, 28,403.19 and 16,174.98 is: 24,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.34 : 28,403.19 = 16,174.98 : x
  2. Step 2: Convert to fraction form
    18,974.34/28,403.19 = 16,174.98/x
  3. Step 3: Cross multiply
    18,974.34x = 28,403.19 × 16,174.98
  4. Step 4: Simplify right side
    18,974.34x = 459,421,030.19
  5. Step 5: Solve for x
    x = 459,421,030.19/18,974.34
  6. Step 6: Final answer
    x = 24,212.75

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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.