Home / 21,394.46-29,525.72-11,963.02

Finding the Fourth Proportional to 21,394.46, 29,525.72 and 11,963.02

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Solution

The fourth proportional to 21,394.46, 29,525.72 and 11,963.02 is: 16,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.46 : 29,525.72 = 11,963.02 : x
  2. Step 2: Convert to fraction form
    21,394.46/29,525.72 = 11,963.02/x
  3. Step 3: Cross multiply
    21,394.46x = 29,525.72 × 11,963.02
  4. Step 4: Simplify right side
    21,394.46x = 353,216,645.25
  5. Step 5: Solve for x
    x = 353,216,645.25/21,394.46
  6. Step 6: Final answer
    x = 16,509.73

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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.