Home / 10,380.51-14,324.67-5,903.64

Finding the Fourth Proportional to 10,380.51, 14,324.67 and 5,903.64

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Solution

The fourth proportional to 10,380.51, 14,324.67 and 5,903.64 is: 8,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.51 : 14,324.67 = 5,903.64 : x
  2. Step 2: Convert to fraction form
    10,380.51/14,324.67 = 5,903.64/x
  3. Step 3: Cross multiply
    10,380.51x = 14,324.67 × 5,903.64
  4. Step 4: Simplify right side
    10,380.51x = 84,567,694.80
  5. Step 5: Solve for x
    x = 84,567,694.80/10,380.51
  6. Step 6: Final answer
    x = 8,146.78

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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.