Home / 21,322.58-29,425.26-11,762.80

Finding the Fourth Proportional to 21,322.58, 29,425.26 and 11,762.80

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Solution

The fourth proportional to 21,322.58, 29,425.26 and 11,762.80 is: 16,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322.58 : 29,425.26 = 11,762.80 : x
  2. Step 2: Convert to fraction form
    21,322.58/29,425.26 = 11,762.80/x
  3. Step 3: Cross multiply
    21,322.58x = 29,425.26 × 11,762.80
  4. Step 4: Simplify right side
    21,322.58x = 346,123,448.33
  5. Step 5: Solve for x
    x = 346,123,448.33/21,322.58
  6. Step 6: Final answer
    x = 16,232.72

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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.