Home / 21,964.59-30,313.31-12,534.57

Finding the Fourth Proportional to 21,964.59, 30,313.31 and 12,534.57

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Solution

The fourth proportional to 21,964.59, 30,313.31 and 12,534.57 is: 17,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.59 : 30,313.31 = 12,534.57 : x
  2. Step 2: Convert to fraction form
    21,964.59/30,313.31 = 12,534.57/x
  3. Step 3: Cross multiply
    21,964.59x = 30,313.31 × 12,534.57
  4. Step 4: Simplify right side
    21,964.59x = 379,964,243.45
  5. Step 5: Solve for x
    x = 379,964,243.45/21,964.59
  6. Step 6: Final answer
    x = 17,298.95

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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.