Home / 9,986.06-13,787.34-6,214.70

Finding the Fourth Proportional to 9,986.06, 13,787.34 and 6,214.70

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Solution

The fourth proportional to 9,986.06, 13,787.34 and 6,214.70 is: 8,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.06 : 13,787.34 = 6,214.70 : x
  2. Step 2: Convert to fraction form
    9,986.06/13,787.34 = 6,214.70/x
  3. Step 3: Cross multiply
    9,986.06x = 13,787.34 × 6,214.70
  4. Step 4: Simplify right side
    9,986.06x = 85,684,181.90
  5. Step 5: Solve for x
    x = 85,684,181.90/9,986.06
  6. Step 6: Final answer
    x = 8,580.38

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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.