Home / 10,161.64-14,023.37-5,685.29

Finding the Fourth Proportional to 10,161.64, 14,023.37 and 5,685.29

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Solution

The fourth proportional to 10,161.64, 14,023.37 and 5,685.29 is: 7,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.64 : 14,023.37 = 5,685.29 : x
  2. Step 2: Convert to fraction form
    10,161.64/14,023.37 = 5,685.29/x
  3. Step 3: Cross multiply
    10,161.64x = 14,023.37 × 5,685.29
  4. Step 4: Simplify right side
    10,161.64x = 79,726,896.80
  5. Step 5: Solve for x
    x = 79,726,896.80/10,161.64
  6. Step 6: Final answer
    x = 7,845.87

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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.