Home / 19,571.22-27,008.34-10,618.80

Finding the Fourth Proportional to 19,571.22, 27,008.34 and 10,618.80

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Solution

The fourth proportional to 19,571.22, 27,008.34 and 10,618.80 is: 14,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.22 : 27,008.34 = 10,618.80 : x
  2. Step 2: Convert to fraction form
    19,571.22/27,008.34 = 10,618.80/x
  3. Step 3: Cross multiply
    19,571.22x = 27,008.34 × 10,618.80
  4. Step 4: Simplify right side
    19,571.22x = 286,796,019.69
  5. Step 5: Solve for x
    x = 286,796,019.69/19,571.22
  6. Step 6: Final answer
    x = 14,653.97

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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.