Home / 19,795.59-29,662.38-11,878.65

Finding the Fourth Proportional to 19,795.59, 29,662.38 and 11,878.65

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Solution

The fourth proportional to 19,795.59, 29,662.38 and 11,878.65 is: 17,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.59 : 29,662.38 = 11,878.65 : x
  2. Step 2: Convert to fraction form
    19,795.59/29,662.38 = 11,878.65/x
  3. Step 3: Cross multiply
    19,795.59x = 29,662.38 × 11,878.65
  4. Step 4: Simplify right side
    19,795.59x = 352,349,030.19
  5. Step 5: Solve for x
    x = 352,349,030.19/19,795.59
  6. Step 6: Final answer
    x = 17,799.37

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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.