Home / 8,922.76-13,359.42-6,724.84

Finding the Fourth Proportional to 8,922.76, 13,359.42 and 6,724.84

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Solution

The fourth proportional to 8,922.76, 13,359.42 and 6,724.84 is: 10,068.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.76 : 13,359.42 = 6,724.84 : x
  2. Step 2: Convert to fraction form
    8,922.76/13,359.42 = 6,724.84/x
  3. Step 3: Cross multiply
    8,922.76x = 13,359.42 × 6,724.84
  4. Step 4: Simplify right side
    8,922.76x = 89,839,961.99
  5. Step 5: Solve for x
    x = 89,839,961.99/8,922.76
  6. Step 6: Final answer
    x = 10,068.63

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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.