Home / 14,074.37-21,114.68-5,309.36

Finding the Fourth Proportional to 14,074.37, 21,114.68 and 5,309.36

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Solution

The fourth proportional to 14,074.37, 21,114.68 and 5,309.36 is: 7,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.37 : 21,114.68 = 5,309.36 : x
  2. Step 2: Convert to fraction form
    14,074.37/21,114.68 = 5,309.36/x
  3. Step 3: Cross multiply
    14,074.37x = 21,114.68 × 5,309.36
  4. Step 4: Simplify right side
    14,074.37x = 112,105,305.28
  5. Step 5: Solve for x
    x = 112,105,305.28/14,074.37
  6. Step 6: Final answer
    x = 7,965.21

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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.