Home / 19,835.82-27,372.52-10,883.13

Finding the Fourth Proportional to 19,835.82, 27,372.52 and 10,883.13

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Solution

The fourth proportional to 19,835.82, 27,372.52 and 10,883.13 is: 15,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.82 : 27,372.52 = 10,883.13 : x
  2. Step 2: Convert to fraction form
    19,835.82/27,372.52 = 10,883.13/x
  3. Step 3: Cross multiply
    19,835.82x = 27,372.52 × 10,883.13
  4. Step 4: Simplify right side
    19,835.82x = 297,898,693.59
  5. Step 5: Solve for x
    x = 297,898,693.59/19,835.82
  6. Step 6: Final answer
    x = 15,018.22

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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.