Home / 18,310.24-25,268.16-9,926.76

Finding the Fourth Proportional to 18,310.24, 25,268.16 and 9,926.76

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Solution

The fourth proportional to 18,310.24, 25,268.16 and 9,926.76 is: 13,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.24 : 25,268.16 = 9,926.76 : x
  2. Step 2: Convert to fraction form
    18,310.24/25,268.16 = 9,926.76/x
  3. Step 3: Cross multiply
    18,310.24x = 25,268.16 × 9,926.76
  4. Step 4: Simplify right side
    18,310.24x = 250,830,959.96
  5. Step 5: Solve for x
    x = 250,830,959.96/18,310.24
  6. Step 6: Final answer
    x = 13,698.94

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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.