Home / 14,453.76-21,669.12-6,240

Finding the Fourth Proportional to 14,453.76, 21,669.12 and 6,240

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Solution

The fourth proportional to 14,453.76, 21,669.12 and 6,240 is: 9,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.76 : 21,669.12 = 6,240 : x
  2. Step 2: Convert to fraction form
    14,453.76/21,669.12 = 6,240/x
  3. Step 3: Cross multiply
    14,453.76x = 21,669.12 × 6,240
  4. Step 4: Simplify right side
    14,453.76x = 135,215,308.80
  5. Step 5: Solve for x
    x = 135,215,308.80/14,453.76
  6. Step 6: Final answer
    x = 9,355.03

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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.