Home / 19,769.68-27,270.30-13,055.32

Finding the Fourth Proportional to 19,769.68, 27,270.30 and 13,055.32

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Solution

The fourth proportional to 19,769.68, 27,270.30 and 13,055.32 is: 18,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.68 : 27,270.30 = 13,055.32 : x
  2. Step 2: Convert to fraction form
    19,769.68/27,270.30 = 13,055.32/x
  3. Step 3: Cross multiply
    19,769.68x = 27,270.30 × 13,055.32
  4. Step 4: Simplify right side
    19,769.68x = 356,022,493.00
  5. Step 5: Solve for x
    x = 356,022,493.00/19,769.68
  6. Step 6: Final answer
    x = 18,008.51

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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.