Home / 13,567.63-18,723.39-7,906.26

Finding the Fourth Proportional to 13,567.63, 18,723.39 and 7,906.26

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Solution

The fourth proportional to 13,567.63, 18,723.39 and 7,906.26 is: 10,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.63 : 18,723.39 = 7,906.26 : x
  2. Step 2: Convert to fraction form
    13,567.63/18,723.39 = 7,906.26/x
  3. Step 3: Cross multiply
    13,567.63x = 18,723.39 × 7,906.26
  4. Step 4: Simplify right side
    13,567.63x = 148,031,989.42
  5. Step 5: Solve for x
    x = 148,031,989.42/13,567.63
  6. Step 6: Final answer
    x = 10,910.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.