Home / 19,670.30-29,505.21-11,775.02

Finding the Fourth Proportional to 19,670.30, 29,505.21 and 11,775.02

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Solution

The fourth proportional to 19,670.30, 29,505.21 and 11,775.02 is: 17,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.30 : 29,505.21 = 11,775.02 : x
  2. Step 2: Convert to fraction form
    19,670.30/29,505.21 = 11,775.02/x
  3. Step 3: Cross multiply
    19,670.30x = 29,505.21 × 11,775.02
  4. Step 4: Simplify right side
    19,670.30x = 347,424,246.17
  5. Step 5: Solve for x
    x = 347,424,246.17/19,670.30
  6. Step 6: Final answer
    x = 17,662.38

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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.