Home / 13,992.10-19,304.21-7,941.62

Finding the Fourth Proportional to 13,992.10, 19,304.21 and 7,941.62

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Solution

The fourth proportional to 13,992.10, 19,304.21 and 7,941.62 is: 10,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.10 : 19,304.21 = 7,941.62 : x
  2. Step 2: Convert to fraction form
    13,992.10/19,304.21 = 7,941.62/x
  3. Step 3: Cross multiply
    13,992.10x = 19,304.21 × 7,941.62
  4. Step 4: Simplify right side
    13,992.10x = 153,306,768.33
  5. Step 5: Solve for x
    x = 153,306,768.33/13,992.10
  6. Step 6: Final answer
    x = 10,956.67

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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.