Home / 20,837.00-28,754.77-11,884.66

Finding the Fourth Proportional to 20,837.00, 28,754.77 and 11,884.66

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Solution

The fourth proportional to 20,837.00, 28,754.77 and 11,884.66 is: 16,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.00 : 28,754.77 = 11,884.66 : x
  2. Step 2: Convert to fraction form
    20,837.00/28,754.77 = 11,884.66/x
  3. Step 3: Cross multiply
    20,837.00x = 28,754.77 × 11,884.66
  4. Step 4: Simplify right side
    20,837.00x = 341,740,585.51
  5. Step 5: Solve for x
    x = 341,740,585.51/20,837.00
  6. Step 6: Final answer
    x = 16,400.66

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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.