Home / 19,719.50-29,564.66-11,926.58

Finding the Fourth Proportional to 19,719.50, 29,564.66 and 11,926.58

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Solution

The fourth proportional to 19,719.50, 29,564.66 and 11,926.58 is: 17,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.50 : 29,564.66 = 11,926.58 : x
  2. Step 2: Convert to fraction form
    19,719.50/29,564.66 = 11,926.58/x
  3. Step 3: Cross multiply
    19,719.50x = 29,564.66 × 11,926.58
  4. Step 4: Simplify right side
    19,719.50x = 352,605,282.66
  5. Step 5: Solve for x
    x = 352,605,282.66/19,719.50
  6. Step 6: Final answer
    x = 17,881.05

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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.