Home / 18,323.28-27,487.31-5,175.99

Finding the Fourth Proportional to 18,323.28, 27,487.31 and 5,175.99

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Solution

The fourth proportional to 18,323.28, 27,487.31 and 5,175.99 is: 7,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.28 : 27,487.31 = 5,175.99 : x
  2. Step 2: Convert to fraction form
    18,323.28/27,487.31 = 5,175.99/x
  3. Step 3: Cross multiply
    18,323.28x = 27,487.31 × 5,175.99
  4. Step 4: Simplify right side
    18,323.28x = 142,274,041.69
  5. Step 5: Solve for x
    x = 142,274,041.69/18,323.28
  6. Step 6: Final answer
    x = 7,764.66

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1.5x scale

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.