Home / 19,959.30-27,542.70-11,006.82

Finding the Fourth Proportional to 19,959.30, 27,542.70 and 11,006.82

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Solution

The fourth proportional to 19,959.30, 27,542.70 and 11,006.82 is: 15,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.30 : 27,542.70 = 11,006.82 : x
  2. Step 2: Convert to fraction form
    19,959.30/27,542.70 = 11,006.82/x
  3. Step 3: Cross multiply
    19,959.30x = 27,542.70 × 11,006.82
  4. Step 4: Simplify right side
    19,959.30x = 303,157,541.21
  5. Step 5: Solve for x
    x = 303,157,541.21/19,959.30
  6. Step 6: Final answer
    x = 15,188.79

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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.