Home / 15,407.41-21,262.23-8,694.46

Finding the Fourth Proportional to 15,407.41, 21,262.23 and 8,694.46

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Solution

The fourth proportional to 15,407.41, 21,262.23 and 8,694.46 is: 11,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.41 : 21,262.23 = 8,694.46 : x
  2. Step 2: Convert to fraction form
    15,407.41/21,262.23 = 8,694.46/x
  3. Step 3: Cross multiply
    15,407.41x = 21,262.23 × 8,694.46
  4. Step 4: Simplify right side
    15,407.41x = 184,863,608.25
  5. Step 5: Solve for x
    x = 184,863,608.25/15,407.41
  6. Step 6: Final answer
    x = 11,998.36

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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.