Home / 21,394.05-29,523.88-11,962.62

Finding the Fourth Proportional to 21,394.05, 29,523.88 and 11,962.62

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Solution

The fourth proportional to 21,394.05, 29,523.88 and 11,962.62 is: 16,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.05 : 29,523.88 = 11,962.62 : x
  2. Step 2: Convert to fraction form
    21,394.05/29,523.88 = 11,962.62/x
  3. Step 3: Cross multiply
    21,394.05x = 29,523.88 × 11,962.62
  4. Step 4: Simplify right side
    21,394.05x = 353,182,957.37
  5. Step 5: Solve for x
    x = 353,182,957.37/21,394.05
  6. Step 6: Final answer
    x = 16,508.47

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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.