Home / 21,645.51-32,441.77-12,293.38

Finding the Fourth Proportional to 21,645.51, 32,441.77 and 12,293.38

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Solution

The fourth proportional to 21,645.51, 32,441.77 and 12,293.38 is: 18,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.51 : 32,441.77 = 12,293.38 : x
  2. Step 2: Convert to fraction form
    21,645.51/32,441.77 = 12,293.38/x
  3. Step 3: Cross multiply
    21,645.51x = 32,441.77 × 12,293.38
  4. Step 4: Simplify right side
    21,645.51x = 398,819,006.48
  5. Step 5: Solve for x
    x = 398,819,006.48/21,645.51
  6. Step 6: Final answer
    x = 18,425.02

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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.