Home / 14,127.12-21,189.99-5,805.06

Finding the Fourth Proportional to 14,127.12, 21,189.99 and 5,805.06

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Solution

The fourth proportional to 14,127.12, 21,189.99 and 5,805.06 is: 8,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.12 : 21,189.99 = 5,805.06 : x
  2. Step 2: Convert to fraction form
    14,127.12/21,189.99 = 5,805.06/x
  3. Step 3: Cross multiply
    14,127.12x = 21,189.99 × 5,805.06
  4. Step 4: Simplify right side
    14,127.12x = 123,009,163.35
  5. Step 5: Solve for x
    x = 123,009,163.35/14,127.12
  6. Step 6: Final answer
    x = 8,707.31

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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.