Home / 16,729.21-23,085.79-9,175.47

Finding the Fourth Proportional to 16,729.21, 23,085.79 and 9,175.47

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Solution

The fourth proportional to 16,729.21, 23,085.79 and 9,175.47 is: 12,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.21 : 23,085.79 = 9,175.47 : x
  2. Step 2: Convert to fraction form
    16,729.21/23,085.79 = 9,175.47/x
  3. Step 3: Cross multiply
    16,729.21x = 23,085.79 × 9,175.47
  4. Step 4: Simplify right side
    16,729.21x = 211,822,973.57
  5. Step 5: Solve for x
    x = 211,822,973.57/16,729.21
  6. Step 6: Final answer
    x = 12,661.86

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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.