Home / 11,648.84-16,075.46-6,343.80

Finding the Fourth Proportional to 11,648.84, 16,075.46 and 6,343.80

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Solution

The fourth proportional to 11,648.84, 16,075.46 and 6,343.80 is: 8,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.84 : 16,075.46 = 6,343.80 : x
  2. Step 2: Convert to fraction form
    11,648.84/16,075.46 = 6,343.80/x
  3. Step 3: Cross multiply
    11,648.84x = 16,075.46 × 6,343.80
  4. Step 4: Simplify right side
    11,648.84x = 101,979,503.15
  5. Step 5: Solve for x
    x = 101,979,503.15/11,648.84
  6. Step 6: Final answer
    x = 8,754.48

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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.