Home / 18,246.81-25,187.45-11,959.59

Finding the Fourth Proportional to 18,246.81, 25,187.45 and 11,959.59

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Solution

The fourth proportional to 18,246.81, 25,187.45 and 11,959.59 is: 16,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.81 : 25,187.45 = 11,959.59 : x
  2. Step 2: Convert to fraction form
    18,246.81/25,187.45 = 11,959.59/x
  3. Step 3: Cross multiply
    18,246.81x = 25,187.45 × 11,959.59
  4. Step 4: Simplify right side
    18,246.81x = 301,231,515.35
  5. Step 5: Solve for x
    x = 301,231,515.35/18,246.81
  6. Step 6: Final answer
    x = 16,508.72

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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.