Home / 19,712.56-27,201.48-11,753.20

Finding the Fourth Proportional to 19,712.56, 27,201.48 and 11,753.20

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Solution

The fourth proportional to 19,712.56, 27,201.48 and 11,753.20 is: 16,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.56 : 27,201.48 = 11,753.20 : x
  2. Step 2: Convert to fraction form
    19,712.56/27,201.48 = 11,753.20/x
  3. Step 3: Cross multiply
    19,712.56x = 27,201.48 × 11,753.20
  4. Step 4: Simplify right side
    19,712.56x = 319,704,434.74
  5. Step 5: Solve for x
    x = 319,704,434.74/19,712.56
  6. Step 6: Final answer
    x = 16,218.31

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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.