Home / 18,201.10-27,334.05-13,276.30

Finding the Fourth Proportional to 18,201.10, 27,334.05 and 13,276.30

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Solution

The fourth proportional to 18,201.10, 27,334.05 and 13,276.30 is: 19,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.10 : 27,334.05 = 13,276.30 : x
  2. Step 2: Convert to fraction form
    18,201.10/27,334.05 = 13,276.30/x
  3. Step 3: Cross multiply
    18,201.10x = 27,334.05 × 13,276.30
  4. Step 4: Simplify right side
    18,201.10x = 362,895,048.02
  5. Step 5: Solve for x
    x = 362,895,048.02/18,201.10
  6. Step 6: Final answer
    x = 19,938.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.