Home / 13,909.05-20,863.64-4,048.38

Finding the Fourth Proportional to 13,909.05, 20,863.64 and 4,048.38

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Solution

The fourth proportional to 13,909.05, 20,863.64 and 4,048.38 is: 6,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.05 : 20,863.64 = 4,048.38 : x
  2. Step 2: Convert to fraction form
    13,909.05/20,863.64 = 4,048.38/x
  3. Step 3: Cross multiply
    13,909.05x = 20,863.64 × 4,048.38
  4. Step 4: Simplify right side
    13,909.05x = 84,463,953.02
  5. Step 5: Solve for x
    x = 84,463,953.02/13,909.05
  6. Step 6: Final answer
    x = 6,072.59

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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.