Home / 13,270.34-18,305.45-8,293.70

Finding the Fourth Proportional to 13,270.34, 18,305.45 and 8,293.70

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Solution

The fourth proportional to 13,270.34, 18,305.45 and 8,293.70 is: 11,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.34 : 18,305.45 = 8,293.70 : x
  2. Step 2: Convert to fraction form
    13,270.34/18,305.45 = 8,293.70/x
  3. Step 3: Cross multiply
    13,270.34x = 18,305.45 × 8,293.70
  4. Step 4: Simplify right side
    13,270.34x = 151,819,777.67
  5. Step 5: Solve for x
    x = 151,819,777.67/13,270.34
  6. Step 6: Final answer
    x = 11,440.54

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Similar ratio
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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.