Home / 14,305.08-21,457.60-3,917.64

Finding the Fourth Proportional to 14,305.08, 21,457.60 and 3,917.64

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Solution

The fourth proportional to 14,305.08, 21,457.60 and 3,917.64 is: 5,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.08 : 21,457.60 = 3,917.64 : x
  2. Step 2: Convert to fraction form
    14,305.08/21,457.60 = 3,917.64/x
  3. Step 3: Cross multiply
    14,305.08x = 21,457.60 × 3,917.64
  4. Step 4: Simplify right side
    14,305.08x = 84,063,152.06
  5. Step 5: Solve for x
    x = 84,063,152.06/14,305.08
  6. Step 6: Final answer
    x = 5,876.45

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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.