Home / 21,453.93-29,605.64-11,763.29

Finding the Fourth Proportional to 21,453.93, 29,605.64 and 11,763.29

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Solution

The fourth proportional to 21,453.93, 29,605.64 and 11,763.29 is: 16,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.93 : 29,605.64 = 11,763.29 : x
  2. Step 2: Convert to fraction form
    21,453.93/29,605.64 = 11,763.29/x
  3. Step 3: Cross multiply
    21,453.93x = 29,605.64 × 11,763.29
  4. Step 4: Simplify right side
    21,453.93x = 348,259,744.15
  5. Step 5: Solve for x
    x = 348,259,744.15/21,453.93
  6. Step 6: Final answer
    x = 16,232.91

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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.