Home / 11,907.57-16,433.17-6,602.38

Finding the Fourth Proportional to 11,907.57, 16,433.17 and 6,602.38

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Solution

The fourth proportional to 11,907.57, 16,433.17 and 6,602.38 is: 9,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.57 : 16,433.17 = 6,602.38 : x
  2. Step 2: Convert to fraction form
    11,907.57/16,433.17 = 6,602.38/x
  3. Step 3: Cross multiply
    11,907.57x = 16,433.17 × 6,602.38
  4. Step 4: Simplify right side
    11,907.57x = 108,498,036.98
  5. Step 5: Solve for x
    x = 108,498,036.98/11,907.57
  6. Step 6: Final answer
    x = 9,111.69

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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.