Home / 14,948.63-20,629.11-8,664.65

Finding the Fourth Proportional to 14,948.63, 20,629.11 and 8,664.65

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Solution

The fourth proportional to 14,948.63, 20,629.11 and 8,664.65 is: 11,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.63 : 20,629.11 = 8,664.65 : x
  2. Step 2: Convert to fraction form
    14,948.63/20,629.11 = 8,664.65/x
  3. Step 3: Cross multiply
    14,948.63x = 20,629.11 × 8,664.65
  4. Step 4: Simplify right side
    14,948.63x = 178,743,871.49
  5. Step 5: Solve for x
    x = 178,743,871.49/14,948.63
  6. Step 6: Final answer
    x = 11,957.21

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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.