Home / 19,883.76-27,433.92-13,836.30

Finding the Fourth Proportional to 19,883.76, 27,433.92 and 13,836.30

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Solution

The fourth proportional to 19,883.76, 27,433.92 and 13,836.30 is: 19,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.76 : 27,433.92 = 13,836.30 : x
  2. Step 2: Convert to fraction form
    19,883.76/27,433.92 = 13,836.30/x
  3. Step 3: Cross multiply
    19,883.76x = 27,433.92 × 13,836.30
  4. Step 4: Simplify right side
    19,883.76x = 379,583,947.30
  5. Step 5: Solve for x
    x = 379,583,947.30/19,883.76
  6. Step 6: Final answer
    x = 19,090.15

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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.