Home / 18,717.90-28,076.85-10,844.70

Finding the Fourth Proportional to 18,717.90, 28,076.85 and 10,844.70

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Solution

The fourth proportional to 18,717.90, 28,076.85 and 10,844.70 is: 16,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.90 : 28,076.85 = 10,844.70 : x
  2. Step 2: Convert to fraction form
    18,717.90/28,076.85 = 10,844.70/x
  3. Step 3: Cross multiply
    18,717.90x = 28,076.85 × 10,844.70
  4. Step 4: Simplify right side
    18,717.90x = 304,485,015.20
  5. Step 5: Solve for x
    x = 304,485,015.20/18,717.90
  6. Step 6: Final answer
    x = 16,267.05

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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.