Home / 19,571.30-27,008.45-10,618.88

Finding the Fourth Proportional to 19,571.30, 27,008.45 and 10,618.88

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Solution

The fourth proportional to 19,571.30, 27,008.45 and 10,618.88 is: 14,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.30 : 27,008.45 = 10,618.88 : x
  2. Step 2: Convert to fraction form
    19,571.30/27,008.45 = 10,618.88/x
  3. Step 3: Cross multiply
    19,571.30x = 27,008.45 × 10,618.88
  4. Step 4: Simplify right side
    19,571.30x = 286,799,489.54
  5. Step 5: Solve for x
    x = 286,799,489.54/19,571.30
  6. Step 6: Final answer
    x = 14,654.08

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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.