Home / 21,402.92-29,537.22-12,450.60

Finding the Fourth Proportional to 21,402.92, 29,537.22 and 12,450.60

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Solution

The fourth proportional to 21,402.92, 29,537.22 and 12,450.60 is: 17,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.92 : 29,537.22 = 12,450.60 : x
  2. Step 2: Convert to fraction form
    21,402.92/29,537.22 = 12,450.60/x
  3. Step 3: Cross multiply
    21,402.92x = 29,537.22 × 12,450.60
  4. Step 4: Simplify right side
    21,402.92x = 367,756,111.33
  5. Step 5: Solve for x
    x = 367,756,111.33/21,402.92
  6. Step 6: Final answer
    x = 17,182.52

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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.