Home / 12,619.93-17,414.88-7,316.47

Finding the Fourth Proportional to 12,619.93, 17,414.88 and 7,316.47

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Solution

The fourth proportional to 12,619.93, 17,414.88 and 7,316.47 is: 10,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.93 : 17,414.88 = 7,316.47 : x
  2. Step 2: Convert to fraction form
    12,619.93/17,414.88 = 7,316.47/x
  3. Step 3: Cross multiply
    12,619.93x = 17,414.88 × 7,316.47
  4. Step 4: Simplify right side
    12,619.93x = 127,415,447.07
  5. Step 5: Solve for x
    x = 127,415,447.07/12,619.93
  6. Step 6: Final answer
    x = 10,096.37

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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.