Home / 13,968.06-19,275.21-7,679.22

Finding the Fourth Proportional to 13,968.06, 19,275.21 and 7,679.22

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Solution

The fourth proportional to 13,968.06, 19,275.21 and 7,679.22 is: 10,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.06 : 19,275.21 = 7,679.22 : x
  2. Step 2: Convert to fraction form
    13,968.06/19,275.21 = 7,679.22/x
  3. Step 3: Cross multiply
    13,968.06x = 19,275.21 × 7,679.22
  4. Step 4: Simplify right side
    13,968.06x = 148,018,578.14
  5. Step 5: Solve for x
    x = 148,018,578.14/13,968.06
  6. Step 6: Final answer
    x = 10,596.93

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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.