Home / 21,424.67-29,563.27-11,993.23

Finding the Fourth Proportional to 21,424.67, 29,563.27 and 11,993.23

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Solution

The fourth proportional to 21,424.67, 29,563.27 and 11,993.23 is: 16,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,424.67 : 29,563.27 = 11,993.23 : x
  2. Step 2: Convert to fraction form
    21,424.67/29,563.27 = 11,993.23/x
  3. Step 3: Cross multiply
    21,424.67x = 29,563.27 × 11,993.23
  4. Step 4: Simplify right side
    21,424.67x = 354,558,992.77
  5. Step 5: Solve for x
    x = 354,558,992.77/21,424.67
  6. Step 6: Final answer
    x = 16,549.10

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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.