Home / 13,219.00-18,241.90-7,250.61

Finding the Fourth Proportional to 13,219.00, 18,241.90 and 7,250.61

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Solution

The fourth proportional to 13,219.00, 18,241.90 and 7,250.61 is: 10,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.00 : 18,241.90 = 7,250.61 : x
  2. Step 2: Convert to fraction form
    13,219.00/18,241.90 = 7,250.61/x
  3. Step 3: Cross multiply
    13,219.00x = 18,241.90 × 7,250.61
  4. Step 4: Simplify right side
    13,219.00x = 132,264,902.56
  5. Step 5: Solve for x
    x = 132,264,902.56/13,219.00
  6. Step 6: Final answer
    x = 10,005.67

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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.