Home / 16,858.98-23,265.36-9,305.31

Finding the Fourth Proportional to 16,858.98, 23,265.36 and 9,305.31

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Solution

The fourth proportional to 16,858.98, 23,265.36 and 9,305.31 is: 12,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.98 : 23,265.36 = 9,305.31 : x
  2. Step 2: Convert to fraction form
    16,858.98/23,265.36 = 9,305.31/x
  3. Step 3: Cross multiply
    16,858.98x = 23,265.36 × 9,305.31
  4. Step 4: Simplify right side
    16,858.98x = 216,491,387.06
  5. Step 5: Solve for x
    x = 216,491,387.06/16,858.98
  6. Step 6: Final answer
    x = 12,841.31

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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.