Home / 18,834.86-28,237.71-10,925.21

Finding the Fourth Proportional to 18,834.86, 28,237.71 and 10,925.21

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Solution

The fourth proportional to 18,834.86, 28,237.71 and 10,925.21 is: 16,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.86 : 28,237.71 = 10,925.21 : x
  2. Step 2: Convert to fraction form
    18,834.86/28,237.71 = 10,925.21/x
  3. Step 3: Cross multiply
    18,834.86x = 28,237.71 × 10,925.21
  4. Step 4: Simplify right side
    18,834.86x = 308,503,023.23
  5. Step 5: Solve for x
    x = 308,503,023.23/18,834.86
  6. Step 6: Final answer
    x = 16,379.36

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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.