Home / 21,645.41-32,409.45-11,235.29

Finding the Fourth Proportional to 21,645.41, 32,409.45 and 11,235.29

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Solution

The fourth proportional to 21,645.41, 32,409.45 and 11,235.29 is: 16,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.41 : 32,409.45 = 11,235.29 : x
  2. Step 2: Convert to fraction form
    21,645.41/32,409.45 = 11,235.29/x
  3. Step 3: Cross multiply
    21,645.41x = 32,409.45 × 11,235.29
  4. Step 4: Simplify right side
    21,645.41x = 364,129,449.58
  5. Step 5: Solve for x
    x = 364,129,449.58/21,645.41
  6. Step 6: Final answer
    x = 16,822.48

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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.