Home / 14,305.48-21,457.50-3,917.32

Finding the Fourth Proportional to 14,305.48, 21,457.50 and 3,917.32

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Solution

The fourth proportional to 14,305.48, 21,457.50 and 3,917.32 is: 5,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.48 : 21,457.50 = 3,917.32 : x
  2. Step 2: Convert to fraction form
    14,305.48/21,457.50 = 3,917.32/x
  3. Step 3: Cross multiply
    14,305.48x = 21,457.50 × 3,917.32
  4. Step 4: Simplify right side
    14,305.48x = 84,055,893.90
  5. Step 5: Solve for x
    x = 84,055,893.90/14,305.48
  6. Step 6: Final answer
    x = 5,875.78

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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.