Home / 13,664.66-20,497.71-4,305.40

Finding the Fourth Proportional to 13,664.66, 20,497.71 and 4,305.40

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Solution

The fourth proportional to 13,664.66, 20,497.71 and 4,305.40 is: 6,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.66 : 20,497.71 = 4,305.40 : x
  2. Step 2: Convert to fraction form
    13,664.66/20,497.71 = 4,305.40/x
  3. Step 3: Cross multiply
    13,664.66x = 20,497.71 × 4,305.40
  4. Step 4: Simplify right side
    13,664.66x = 88,250,805.53
  5. Step 5: Solve for x
    x = 88,250,805.53/13,664.66
  6. Step 6: Final answer
    x = 6,458.33

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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.