Home / 19,374.44-29,036.13-7,681.28

Finding the Fourth Proportional to 19,374.44, 29,036.13 and 7,681.28

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Solution

The fourth proportional to 19,374.44, 29,036.13 and 7,681.28 is: 11,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.44 : 29,036.13 = 7,681.28 : x
  2. Step 2: Convert to fraction form
    19,374.44/29,036.13 = 7,681.28/x
  3. Step 3: Cross multiply
    19,374.44x = 29,036.13 × 7,681.28
  4. Step 4: Simplify right side
    19,374.44x = 223,034,644.65
  5. Step 5: Solve for x
    x = 223,034,644.65/19,374.44
  6. Step 6: Final answer
    x = 11,511.80

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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.