Home / 9,370.20-13,986.94-8,187.88

Finding the Fourth Proportional to 9,370.20, 13,986.94 and 8,187.88

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Solution

The fourth proportional to 9,370.20, 13,986.94 and 8,187.88 is: 12,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.20 : 13,986.94 = 8,187.88 : x
  2. Step 2: Convert to fraction form
    9,370.20/13,986.94 = 8,187.88/x
  3. Step 3: Cross multiply
    9,370.20x = 13,986.94 × 8,187.88
  4. Step 4: Simplify right side
    9,370.20x = 114,523,386.29
  5. Step 5: Solve for x
    x = 114,523,386.29/9,370.20
  6. Step 6: Final answer
    x = 12,222.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.