Home / 19,345.37-29,007.11-9,489.29

Finding the Fourth Proportional to 19,345.37, 29,007.11 and 9,489.29

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Solution

The fourth proportional to 19,345.37, 29,007.11 and 9,489.29 is: 14,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.37 : 29,007.11 = 9,489.29 : x
  2. Step 2: Convert to fraction form
    19,345.37/29,007.11 = 9,489.29/x
  3. Step 3: Cross multiply
    19,345.37x = 29,007.11 × 9,489.29
  4. Step 4: Simplify right side
    19,345.37x = 275,256,757.54
  5. Step 5: Solve for x
    x = 275,256,757.54/19,345.37
  6. Step 6: Final answer
    x = 14,228.56

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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.