Home / 21,322.98-29,427.03-11,762.82

Finding the Fourth Proportional to 21,322.98, 29,427.03 and 11,762.82

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Solution

The fourth proportional to 21,322.98, 29,427.03 and 11,762.82 is: 16,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322.98 : 29,427.03 = 11,762.82 : x
  2. Step 2: Convert to fraction form
    21,322.98/29,427.03 = 11,762.82/x
  3. Step 3: Cross multiply
    21,322.98x = 29,427.03 × 11,762.82
  4. Step 4: Simplify right side
    21,322.98x = 346,144,857.02
  5. Step 5: Solve for x
    x = 346,144,857.02/21,322.98
  6. Step 6: Final answer
    x = 16,233.42

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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.