Home / 13,675.62-20,493.63-7,430.34

Finding the Fourth Proportional to 13,675.62, 20,493.63 and 7,430.34

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Solution

The fourth proportional to 13,675.62, 20,493.63 and 7,430.34 is: 11,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.62 : 20,493.63 = 7,430.34 : x
  2. Step 2: Convert to fraction form
    13,675.62/20,493.63 = 7,430.34/x
  3. Step 3: Cross multiply
    13,675.62x = 20,493.63 × 7,430.34
  4. Step 4: Simplify right side
    13,675.62x = 152,274,638.73
  5. Step 5: Solve for x
    x = 152,274,638.73/13,675.62
  6. Step 6: Final answer
    x = 11,134.75

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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.