Home / 13,964.06-20,929.02-6,558.62

Finding the Fourth Proportional to 13,964.06, 20,929.02 and 6,558.62

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Solution

The fourth proportional to 13,964.06, 20,929.02 and 6,558.62 is: 9,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.06 : 20,929.02 = 6,558.62 : x
  2. Step 2: Convert to fraction form
    13,964.06/20,929.02 = 6,558.62/x
  3. Step 3: Cross multiply
    13,964.06x = 20,929.02 × 6,558.62
  4. Step 4: Simplify right side
    13,964.06x = 137,265,489.15
  5. Step 5: Solve for x
    x = 137,265,489.15/13,964.06
  6. Step 6: Final answer
    x = 9,829.91

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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.