Home / 18,847.52-26,010.48-10,890.80

Finding the Fourth Proportional to 18,847.52, 26,010.48 and 10,890.80

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Solution

The fourth proportional to 18,847.52, 26,010.48 and 10,890.80 is: 15,029.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.52 : 26,010.48 = 10,890.80 : x
  2. Step 2: Convert to fraction form
    18,847.52/26,010.48 = 10,890.80/x
  3. Step 3: Cross multiply
    18,847.52x = 26,010.48 × 10,890.80
  4. Step 4: Simplify right side
    18,847.52x = 283,274,935.58
  5. Step 5: Solve for x
    x = 283,274,935.58/18,847.52
  6. Step 6: Final answer
    x = 15,029.83

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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.