Home / 16,840.09-23,239.47-9,286.71

Finding the Fourth Proportional to 16,840.09, 23,239.47 and 9,286.71

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Solution

The fourth proportional to 16,840.09, 23,239.47 and 9,286.71 is: 12,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.09 : 23,239.47 = 9,286.71 : x
  2. Step 2: Convert to fraction form
    16,840.09/23,239.47 = 9,286.71/x
  3. Step 3: Cross multiply
    16,840.09x = 23,239.47 × 9,286.71
  4. Step 4: Simplify right side
    16,840.09x = 215,818,218.44
  5. Step 5: Solve for x
    x = 215,818,218.44/16,840.09
  6. Step 6: Final answer
    x = 12,815.74

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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.