Home / 11,014.98-16,443.24-9,438

Finding the Fourth Proportional to 11,014.98, 16,443.24 and 9,438

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Solution

The fourth proportional to 11,014.98, 16,443.24 and 9,438 is: 14,089.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,014.98 : 16,443.24 = 9,438 : x
  2. Step 2: Convert to fraction form
    11,014.98/16,443.24 = 9,438/x
  3. Step 3: Cross multiply
    11,014.98x = 16,443.24 × 9,438
  4. Step 4: Simplify right side
    11,014.98x = 155,191,299.12
  5. Step 5: Solve for x
    x = 155,191,299.12/11,014.98
  6. Step 6: Final answer
    x = 14,089.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.