Home / 12,272.76-18,409.14-5,347.26

Finding the Fourth Proportional to 12,272.76, 18,409.14 and 5,347.26

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Solution

The fourth proportional to 12,272.76, 18,409.14 and 5,347.26 is: 8,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.76 : 18,409.14 = 5,347.26 : x
  2. Step 2: Convert to fraction form
    12,272.76/18,409.14 = 5,347.26/x
  3. Step 3: Cross multiply
    12,272.76x = 18,409.14 × 5,347.26
  4. Step 4: Simplify right side
    12,272.76x = 98,438,457.96
  5. Step 5: Solve for x
    x = 98,438,457.96/12,272.76
  6. Step 6: Final answer
    x = 8,020.89

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Similar ratio
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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.