Home / 13,567.12-20,307.36-8,849.44

Finding the Fourth Proportional to 13,567.12, 20,307.36 and 8,849.44

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Solution

The fourth proportional to 13,567.12, 20,307.36 and 8,849.44 is: 13,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.12 : 20,307.36 = 8,849.44 : x
  2. Step 2: Convert to fraction form
    13,567.12/20,307.36 = 8,849.44/x
  3. Step 3: Cross multiply
    13,567.12x = 20,307.36 × 8,849.44
  4. Step 4: Simplify right side
    13,567.12x = 179,708,763.88
  5. Step 5: Solve for x
    x = 179,708,763.88/13,567.12
  6. Step 6: Final answer
    x = 13,245.90

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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.