Home / 19,631-29,459.46-9,243.56

Finding the Fourth Proportional to 19,631, 29,459.46 and 9,243.56

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Solution

The fourth proportional to 19,631, 29,459.46 and 9,243.56 is: 13,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631 : 29,459.46 = 9,243.56 : x
  2. Step 2: Convert to fraction form
    19,631/29,459.46 = 9,243.56/x
  3. Step 3: Cross multiply
    19,631x = 29,459.46 × 9,243.56
  4. Step 4: Simplify right side
    19,631x = 272,310,286.08
  5. Step 5: Solve for x
    x = 272,310,286.08/19,631
  6. Step 6: Final answer
    x = 13,871.44

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1.5x scale

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.