Home / 14,305.50-21,459.51-3,917.25

Finding the Fourth Proportional to 14,305.50, 21,459.51 and 3,917.25

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Solution

The fourth proportional to 14,305.50, 21,459.51 and 3,917.25 is: 5,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.50 : 21,459.51 = 3,917.25 : x
  2. Step 2: Convert to fraction form
    14,305.50/21,459.51 = 3,917.25/x
  3. Step 3: Cross multiply
    14,305.50x = 21,459.51 × 3,917.25
  4. Step 4: Simplify right side
    14,305.50x = 84,062,265.55
  5. Step 5: Solve for x
    x = 84,062,265.55/14,305.50
  6. Step 6: Final answer
    x = 5,876.22

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1.5x scale

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.