Home / 12,414.40-17,132.21-6,749.53

Finding the Fourth Proportional to 12,414.40, 17,132.21 and 6,749.53

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Solution

The fourth proportional to 12,414.40, 17,132.21 and 6,749.53 is: 9,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.40 : 17,132.21 = 6,749.53 : x
  2. Step 2: Convert to fraction form
    12,414.40/17,132.21 = 6,749.53/x
  3. Step 3: Cross multiply
    12,414.40x = 17,132.21 × 6,749.53
  4. Step 4: Simplify right side
    12,414.40x = 115,634,422.51
  5. Step 5: Solve for x
    x = 115,634,422.51/12,414.40
  6. Step 6: Final answer
    x = 9,314.54

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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.