Home / 21,394.41-29,525.25-11,962.98

Finding the Fourth Proportional to 21,394.41, 29,525.25 and 11,962.98

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Solution

The fourth proportional to 21,394.41, 29,525.25 and 11,962.98 is: 16,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.41 : 29,525.25 = 11,962.98 : x
  2. Step 2: Convert to fraction form
    21,394.41/29,525.25 = 11,962.98/x
  3. Step 3: Cross multiply
    21,394.41x = 29,525.25 × 11,962.98
  4. Step 4: Simplify right side
    21,394.41x = 353,209,975.25
  5. Step 5: Solve for x
    x = 353,209,975.25/21,394.41
  6. Step 6: Final answer
    x = 16,509.45

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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.