Home / 23,998.88-33,118.17-13,390.31

Finding the Fourth Proportional to 23,998.88, 33,118.17 and 13,390.31

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Solution

The fourth proportional to 23,998.88, 33,118.17 and 13,390.31 is: 18,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,998.88 : 33,118.17 = 13,390.31 : x
  2. Step 2: Convert to fraction form
    23,998.88/33,118.17 = 13,390.31/x
  3. Step 3: Cross multiply
    23,998.88x = 33,118.17 × 13,390.31
  4. Step 4: Simplify right side
    23,998.88x = 443,462,595.51
  5. Step 5: Solve for x
    x = 443,462,595.51/23,998.88
  6. Step 6: Final answer
    x = 18,478.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.