Home / 14,003.77-21,003.21-5,236.87

Finding the Fourth Proportional to 14,003.77, 21,003.21 and 5,236.87

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Solution

The fourth proportional to 14,003.77, 21,003.21 and 5,236.87 is: 7,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.77 : 21,003.21 = 5,236.87 : x
  2. Step 2: Convert to fraction form
    14,003.77/21,003.21 = 5,236.87/x
  3. Step 3: Cross multiply
    14,003.77x = 21,003.21 × 5,236.87
  4. Step 4: Simplify right side
    14,003.77x = 109,991,080.35
  5. Step 5: Solve for x
    x = 109,991,080.35/14,003.77
  6. Step 6: Final answer
    x = 7,854.39

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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.