Home / 11,345.24-16,988.70-6,949.38

Finding the Fourth Proportional to 11,345.24, 16,988.70 and 6,949.38

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Solution

The fourth proportional to 11,345.24, 16,988.70 and 6,949.38 is: 10,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.24 : 16,988.70 = 6,949.38 : x
  2. Step 2: Convert to fraction form
    11,345.24/16,988.70 = 6,949.38/x
  3. Step 3: Cross multiply
    11,345.24x = 16,988.70 × 6,949.38
  4. Step 4: Simplify right side
    11,345.24x = 118,060,932.01
  5. Step 5: Solve for x
    x = 118,060,932.01/11,345.24
  6. Step 6: Final answer
    x = 10,406.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.