Home / 9,219.60-12,634.41-8,333.88

Finding the Fourth Proportional to 9,219.60, 12,634.41 and 8,333.88

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Solution

The fourth proportional to 9,219.60, 12,634.41 and 8,333.88 is: 11,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.60 : 12,634.41 = 8,333.88 : x
  2. Step 2: Convert to fraction form
    9,219.60/12,634.41 = 8,333.88/x
  3. Step 3: Cross multiply
    9,219.60x = 12,634.41 × 8,333.88
  4. Step 4: Simplify right side
    9,219.60x = 105,293,656.81
  5. Step 5: Solve for x
    x = 105,293,656.81/9,219.60
  6. Step 6: Final answer
    x = 11,420.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.