Home / 9,187.71-13,789.57-5,246.86

Finding the Fourth Proportional to 9,187.71, 13,789.57 and 5,246.86

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Solution

The fourth proportional to 9,187.71, 13,789.57 and 5,246.86 is: 7,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.71 : 13,789.57 = 5,246.86 : x
  2. Step 2: Convert to fraction form
    9,187.71/13,789.57 = 5,246.86/x
  3. Step 3: Cross multiply
    9,187.71x = 13,789.57 × 5,246.86
  4. Step 4: Simplify right side
    9,187.71x = 72,351,943.25
  5. Step 5: Solve for x
    x = 72,351,943.25/9,187.71
  6. Step 6: Final answer
    x = 7,874.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.