Home / 13,282.47-19,926.41-5,491.28

Finding the Fourth Proportional to 13,282.47, 19,926.41 and 5,491.28

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Solution

The fourth proportional to 13,282.47, 19,926.41 and 5,491.28 is: 8,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.47 : 19,926.41 = 5,491.28 : x
  2. Step 2: Convert to fraction form
    13,282.47/19,926.41 = 5,491.28/x
  3. Step 3: Cross multiply
    13,282.47x = 19,926.41 × 5,491.28
  4. Step 4: Simplify right side
    13,282.47x = 109,421,519.06
  5. Step 5: Solve for x
    x = 109,421,519.06/13,282.47
  6. Step 6: Final answer
    x = 8,238.04

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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.