Home / 11,649.07-16,075.92-6,343.90

Finding the Fourth Proportional to 11,649.07, 16,075.92 and 6,343.90

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Solution

The fourth proportional to 11,649.07, 16,075.92 and 6,343.90 is: 8,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.07 : 16,075.92 = 6,343.90 : x
  2. Step 2: Convert to fraction form
    11,649.07/16,075.92 = 6,343.90/x
  3. Step 3: Cross multiply
    11,649.07x = 16,075.92 × 6,343.90
  4. Step 4: Simplify right side
    11,649.07x = 101,984,028.89
  5. Step 5: Solve for x
    x = 101,984,028.89/11,649.07
  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.