Home / 18,250.08-25,185.12-9,866.58

Finding the Fourth Proportional to 18,250.08, 25,185.12 and 9,866.58

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Solution

The fourth proportional to 18,250.08, 25,185.12 and 9,866.58 is: 13,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.08 : 25,185.12 = 9,866.58 : x
  2. Step 2: Convert to fraction form
    18,250.08/25,185.12 = 9,866.58/x
  3. Step 3: Cross multiply
    18,250.08x = 25,185.12 × 9,866.58
  4. Step 4: Simplify right side
    18,250.08x = 248,491,001.29
  5. Step 5: Solve for x
    x = 248,491,001.29/18,250.08
  6. Step 6: Final answer
    x = 13,615.89

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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.