Home / 14,308.55-21,460.53-3,917.87

Finding the Fourth Proportional to 14,308.55, 21,460.53 and 3,917.87

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Solution

The fourth proportional to 14,308.55, 21,460.53 and 3,917.87 is: 5,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.55 : 21,460.53 = 3,917.87 : x
  2. Step 2: Convert to fraction form
    14,308.55/21,460.53 = 3,917.87/x
  3. Step 3: Cross multiply
    14,308.55x = 21,460.53 × 3,917.87
  4. Step 4: Simplify right side
    14,308.55x = 84,079,566.67
  5. Step 5: Solve for x
    x = 84,079,566.67/14,308.55
  6. Step 6: Final answer
    x = 5,876.18

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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.