Home / 16,030-22,121.40-8,958.09

Finding the Fourth Proportional to 16,030, 22,121.40 and 8,958.09

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Solution

The fourth proportional to 16,030, 22,121.40 and 8,958.09 is: 12,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,030 : 22,121.40 = 8,958.09 : x
  2. Step 2: Convert to fraction form
    16,030/22,121.40 = 8,958.09/x
  3. Step 3: Cross multiply
    16,030x = 22,121.40 × 8,958.09
  4. Step 4: Simplify right side
    16,030x = 198,165,492.13
  5. Step 5: Solve for x
    x = 198,165,492.13/16,030
  6. Step 6: Final answer
    x = 12,362.16

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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.