Home / 9,922.84-13,688.80-5,943.20

Finding the Fourth Proportional to 9,922.84, 13,688.80 and 5,943.20

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Solution

The fourth proportional to 9,922.84, 13,688.80 and 5,943.20 is: 8,198.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,922.84 : 13,688.80 = 5,943.20 : x
  2. Step 2: Convert to fraction form
    9,922.84/13,688.80 = 5,943.20/x
  3. Step 3: Cross multiply
    9,922.84x = 13,688.80 × 5,943.20
  4. Step 4: Simplify right side
    9,922.84x = 81,355,276.16
  5. Step 5: Solve for x
    x = 81,355,276.16/9,922.84
  6. Step 6: Final answer
    x = 8,198.79

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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.