Home / 13,458.86-20,205.55-9,044.92

Finding the Fourth Proportional to 13,458.86, 20,205.55 and 9,044.92

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Solution

The fourth proportional to 13,458.86, 20,205.55 and 9,044.92 is: 13,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.86 : 20,205.55 = 9,044.92 : x
  2. Step 2: Convert to fraction form
    13,458.86/20,205.55 = 9,044.92/x
  3. Step 3: Cross multiply
    13,458.86x = 20,205.55 × 9,044.92
  4. Step 4: Simplify right side
    13,458.86x = 182,757,506.21
  5. Step 5: Solve for x
    x = 182,757,506.21/13,458.86
  6. Step 6: Final answer
    x = 13,578.97

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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.