Home / 10,012.15-13,816.21-5,535.64

Finding the Fourth Proportional to 10,012.15, 13,816.21 and 5,535.64

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Solution

The fourth proportional to 10,012.15, 13,816.21 and 5,535.64 is: 7,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.15 : 13,816.21 = 5,535.64 : x
  2. Step 2: Convert to fraction form
    10,012.15/13,816.21 = 5,535.64/x
  3. Step 3: Cross multiply
    10,012.15x = 13,816.21 × 5,535.64
  4. Step 4: Simplify right side
    10,012.15x = 76,481,537.05
  5. Step 5: Solve for x
    x = 76,481,537.05/10,012.15
  6. Step 6: Final answer
    x = 7,638.87

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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.