Home / 10,380.37-14,324.88-5,664.65

Finding the Fourth Proportional to 10,380.37, 14,324.88 and 5,664.65

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Solution

The fourth proportional to 10,380.37, 14,324.88 and 5,664.65 is: 7,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.37 : 14,324.88 = 5,664.65 : x
  2. Step 2: Convert to fraction form
    10,380.37/14,324.88 = 5,664.65/x
  3. Step 3: Cross multiply
    10,380.37x = 14,324.88 × 5,664.65
  4. Step 4: Simplify right side
    10,380.37x = 81,145,431.49
  5. Step 5: Solve for x
    x = 81,145,431.49/10,380.37
  6. Step 6: Final answer
    x = 7,817.20

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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.