Home / 18,220.55-27,314.42-6,531.03

Finding the Fourth Proportional to 18,220.55, 27,314.42 and 6,531.03

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Solution

The fourth proportional to 18,220.55, 27,314.42 and 6,531.03 is: 9,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.55 : 27,314.42 = 6,531.03 : x
  2. Step 2: Convert to fraction form
    18,220.55/27,314.42 = 6,531.03/x
  3. Step 3: Cross multiply
    18,220.55x = 27,314.42 × 6,531.03
  4. Step 4: Simplify right side
    18,220.55x = 178,391,263.80
  5. Step 5: Solve for x
    x = 178,391,263.80/18,220.55
  6. Step 6: Final answer
    x = 9,790.67

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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.