Home / 19,335.25-28,998.31-10,905.37

Finding the Fourth Proportional to 19,335.25, 28,998.31 and 10,905.37

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Solution

The fourth proportional to 19,335.25, 28,998.31 and 10,905.37 is: 16,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.25 : 28,998.31 = 10,905.37 : x
  2. Step 2: Convert to fraction form
    19,335.25/28,998.31 = 10,905.37/x
  3. Step 3: Cross multiply
    19,335.25x = 28,998.31 × 10,905.37
  4. Step 4: Simplify right side
    19,335.25x = 316,237,299.92
  5. Step 5: Solve for x
    x = 316,237,299.92/19,335.25
  6. Step 6: Final answer
    x = 16,355.48

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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.