Home / 18,997.13-26,220.26-11,043.95

Finding the Fourth Proportional to 18,997.13, 26,220.26 and 11,043.95

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Solution

The fourth proportional to 18,997.13, 26,220.26 and 11,043.95 is: 15,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.13 : 26,220.26 = 11,043.95 : x
  2. Step 2: Convert to fraction form
    18,997.13/26,220.26 = 11,043.95/x
  3. Step 3: Cross multiply
    18,997.13x = 26,220.26 × 11,043.95
  4. Step 4: Simplify right side
    18,997.13x = 289,575,074.81
  5. Step 5: Solve for x
    x = 289,575,074.81/18,997.13
  6. Step 6: Final answer
    x = 15,243.09

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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.