Home / 13,634.34-20,426.79-6,244.98

Finding the Fourth Proportional to 13,634.34, 20,426.79 and 6,244.98

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Solution

The fourth proportional to 13,634.34, 20,426.79 and 6,244.98 is: 9,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.34 : 20,426.79 = 6,244.98 : x
  2. Step 2: Convert to fraction form
    13,634.34/20,426.79 = 6,244.98/x
  3. Step 3: Cross multiply
    13,634.34x = 20,426.79 × 6,244.98
  4. Step 4: Simplify right side
    13,634.34x = 127,564,895.01
  5. Step 5: Solve for x
    x = 127,564,895.01/13,634.34
  6. Step 6: Final answer
    x = 9,356.15

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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.