Home / 13,824.41-20,724.87-6,433.16

Finding the Fourth Proportional to 13,824.41, 20,724.87 and 6,433.16

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Solution

The fourth proportional to 13,824.41, 20,724.87 and 6,433.16 is: 9,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.41 : 20,724.87 = 6,433.16 : x
  2. Step 2: Convert to fraction form
    13,824.41/20,724.87 = 6,433.16/x
  3. Step 3: Cross multiply
    13,824.41x = 20,724.87 × 6,433.16
  4. Step 4: Simplify right side
    13,824.41x = 133,326,423.67
  5. Step 5: Solve for x
    x = 133,326,423.67/13,824.41
  6. Step 6: Final answer
    x = 9,644.28

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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.