Home / 11,649.38-16,075.64-6,344.18

Finding the Fourth Proportional to 11,649.38, 16,075.64 and 6,344.18

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Solution

The fourth proportional to 11,649.38, 16,075.64 and 6,344.18 is: 8,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.38 : 16,075.64 = 6,344.18 : x
  2. Step 2: Convert to fraction form
    11,649.38/16,075.64 = 6,344.18/x
  3. Step 3: Cross multiply
    11,649.38x = 16,075.64 × 6,344.18
  4. Step 4: Simplify right side
    11,649.38x = 101,986,753.78
  5. Step 5: Solve for x
    x = 101,986,753.78/11,649.38
  6. Step 6: Final answer
    x = 8,754.69

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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.