Home / 13,637.26-20,456.12-4,277.05

Finding the Fourth Proportional to 13,637.26, 20,456.12 and 4,277.05

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Solution

The fourth proportional to 13,637.26, 20,456.12 and 4,277.05 is: 6,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.26 : 20,456.12 = 4,277.05 : x
  2. Step 2: Convert to fraction form
    13,637.26/20,456.12 = 4,277.05/x
  3. Step 3: Cross multiply
    13,637.26x = 20,456.12 × 4,277.05
  4. Step 4: Simplify right side
    13,637.26x = 87,491,910.63
  5. Step 5: Solve for x
    x = 87,491,910.63/13,637.26
  6. Step 6: Final answer
    x = 6,415.65

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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.