Home / 10,914.64-16,377.60-5,075.44

Finding the Fourth Proportional to 10,914.64, 16,377.60 and 5,075.44

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Solution

The fourth proportional to 10,914.64, 16,377.60 and 5,075.44 is: 7,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.64 : 16,377.60 = 5,075.44 : x
  2. Step 2: Convert to fraction form
    10,914.64/16,377.60 = 5,075.44/x
  3. Step 3: Cross multiply
    10,914.64x = 16,377.60 × 5,075.44
  4. Step 4: Simplify right side
    10,914.64x = 83,123,526.14
  5. Step 5: Solve for x
    x = 83,123,526.14/10,914.64
  6. Step 6: Final answer
    x = 7,615.78

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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.