Home / 9,984.06-13,784.58-6,212.70

Finding the Fourth Proportional to 9,984.06, 13,784.58 and 6,212.70

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Solution

The fourth proportional to 9,984.06, 13,784.58 and 6,212.70 is: 8,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.06 : 13,784.58 = 6,212.70 : x
  2. Step 2: Convert to fraction form
    9,984.06/13,784.58 = 6,212.70/x
  3. Step 3: Cross multiply
    9,984.06x = 13,784.58 × 6,212.70
  4. Step 4: Simplify right side
    9,984.06x = 85,639,460.17
  5. Step 5: Solve for x
    x = 85,639,460.17/9,984.06
  6. Step 6: Final answer
    x = 8,577.62

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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.