Home / 21,277.05-29,357.88-12,324.03

Finding the Fourth Proportional to 21,277.05, 29,357.88 and 12,324.03

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Solution

The fourth proportional to 21,277.05, 29,357.88 and 12,324.03 is: 17,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.05 : 29,357.88 = 12,324.03 : x
  2. Step 2: Convert to fraction form
    21,277.05/29,357.88 = 12,324.03/x
  3. Step 3: Cross multiply
    21,277.05x = 29,357.88 × 12,324.03
  4. Step 4: Simplify right side
    21,277.05x = 361,807,393.86
  5. Step 5: Solve for x
    x = 361,807,393.86/21,277.05
  6. Step 6: Final answer
    x = 17,004.58

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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.