Home / 13,675.55-20,513.23-3,814.88

Finding the Fourth Proportional to 13,675.55, 20,513.23 and 3,814.88

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Solution

The fourth proportional to 13,675.55, 20,513.23 and 3,814.88 is: 5,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.55 : 20,513.23 = 3,814.88 : x
  2. Step 2: Convert to fraction form
    13,675.55/20,513.23 = 3,814.88/x
  3. Step 3: Cross multiply
    13,675.55x = 20,513.23 × 3,814.88
  4. Step 4: Simplify right side
    13,675.55x = 78,255,398.76
  5. Step 5: Solve for x
    x = 78,255,398.76/13,675.55
  6. Step 6: Final answer
    x = 5,722.29

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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.