Home / 14,019.72-21,015.36-9,092.49

Finding the Fourth Proportional to 14,019.72, 21,015.36 and 9,092.49

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Solution

The fourth proportional to 14,019.72, 21,015.36 and 9,092.49 is: 13,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.72 : 21,015.36 = 9,092.49 : x
  2. Step 2: Convert to fraction form
    14,019.72/21,015.36 = 9,092.49/x
  3. Step 3: Cross multiply
    14,019.72x = 21,015.36 × 9,092.49
  4. Step 4: Simplify right side
    14,019.72x = 191,081,950.65
  5. Step 5: Solve for x
    x = 191,081,950.65/14,019.72
  6. Step 6: Final answer
    x = 13,629.51

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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.