Home / 13,272.60-18,314.73-7,608.88

Finding the Fourth Proportional to 13,272.60, 18,314.73 and 7,608.88

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Solution

The fourth proportional to 13,272.60, 18,314.73 and 7,608.88 is: 10,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.60 : 18,314.73 = 7,608.88 : x
  2. Step 2: Convert to fraction form
    13,272.60/18,314.73 = 7,608.88/x
  3. Step 3: Cross multiply
    13,272.60x = 18,314.73 × 7,608.88
  4. Step 4: Simplify right side
    13,272.60x = 139,354,537.02
  5. Step 5: Solve for x
    x = 139,354,537.02/13,272.60
  6. Step 6: Final answer
    x = 10,499.42

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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.