Home / 11,945.61-17,895.94-7,000.56

Finding the Fourth Proportional to 11,945.61, 17,895.94 and 7,000.56

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Solution

The fourth proportional to 11,945.61, 17,895.94 and 7,000.56 is: 10,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.61 : 17,895.94 = 7,000.56 : x
  2. Step 2: Convert to fraction form
    11,945.61/17,895.94 = 7,000.56/x
  3. Step 3: Cross multiply
    11,945.61x = 17,895.94 × 7,000.56
  4. Step 4: Simplify right side
    11,945.61x = 125,281,584.23
  5. Step 5: Solve for x
    x = 125,281,584.23/11,945.61
  6. Step 6: Final answer
    x = 10,487.67

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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.