Home / 19,119-28,681.74-5,968.76

Finding the Fourth Proportional to 19,119, 28,681.74 and 5,968.76

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Solution

The fourth proportional to 19,119, 28,681.74 and 5,968.76 is: 8,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119 : 28,681.74 = 5,968.76 : x
  2. Step 2: Convert to fraction form
    19,119/28,681.74 = 5,968.76/x
  3. Step 3: Cross multiply
    19,119x = 28,681.74 × 5,968.76
  4. Step 4: Simplify right side
    19,119x = 171,194,422.44
  5. Step 5: Solve for x
    x = 171,194,422.44/19,119
  6. Step 6: Final answer
    x = 8,954.15

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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.