Home / 14,502.40-21,761.78-6,181.54

Finding the Fourth Proportional to 14,502.40, 21,761.78 and 6,181.54

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Solution

The fourth proportional to 14,502.40, 21,761.78 and 6,181.54 is: 9,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.40 : 21,761.78 = 6,181.54 : x
  2. Step 2: Convert to fraction form
    14,502.40/21,761.78 = 6,181.54/x
  3. Step 3: Cross multiply
    14,502.40x = 21,761.78 × 6,181.54
  4. Step 4: Simplify right side
    14,502.40x = 134,521,313.54
  5. Step 5: Solve for x
    x = 134,521,313.54/14,502.40
  6. Step 6: Final answer
    x = 9,275.80

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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.