Home / 19,291.84-28,943.24-6,145.22

Finding the Fourth Proportional to 19,291.84, 28,943.24 and 6,145.22

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Solution

The fourth proportional to 19,291.84, 28,943.24 and 6,145.22 is: 9,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.84 : 28,943.24 = 6,145.22 : x
  2. Step 2: Convert to fraction form
    19,291.84/28,943.24 = 6,145.22/x
  3. Step 3: Cross multiply
    19,291.84x = 28,943.24 × 6,145.22
  4. Step 4: Simplify right side
    19,291.84x = 177,862,618.94
  5. Step 5: Solve for x
    x = 177,862,618.94/19,291.84
  6. Step 6: Final answer
    x = 9,219.58

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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.