Home / 14,664.28-20,237.10-8,291.10

Finding the Fourth Proportional to 14,664.28, 20,237.10 and 8,291.10

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Solution

The fourth proportional to 14,664.28, 20,237.10 and 8,291.10 is: 11,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.28 : 20,237.10 = 8,291.10 : x
  2. Step 2: Convert to fraction form
    14,664.28/20,237.10 = 8,291.10/x
  3. Step 3: Cross multiply
    14,664.28x = 20,237.10 × 8,291.10
  4. Step 4: Simplify right side
    14,664.28x = 167,787,819.81
  5. Step 5: Solve for x
    x = 167,787,819.81/14,664.28
  6. Step 6: Final answer
    x = 11,441.94

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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.