Home / 18,983.78-26,197.88-11,026.00

Finding the Fourth Proportional to 18,983.78, 26,197.88 and 11,026.00

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Solution

The fourth proportional to 18,983.78, 26,197.88 and 11,026.00 is: 15,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.78 : 26,197.88 = 11,026.00 : x
  2. Step 2: Convert to fraction form
    18,983.78/26,197.88 = 11,026.00/x
  3. Step 3: Cross multiply
    18,983.78x = 26,197.88 × 11,026.00
  4. Step 4: Simplify right side
    18,983.78x = 288,857,786.95
  5. Step 5: Solve for x
    x = 288,857,786.95/18,983.78
  6. Step 6: Final answer
    x = 15,216.04

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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.