Home / 21,020.04-29,007.75-11,589.24

Finding the Fourth Proportional to 21,020.04, 29,007.75 and 11,589.24

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Solution

The fourth proportional to 21,020.04, 29,007.75 and 11,589.24 is: 15,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020.04 : 29,007.75 = 11,589.24 : x
  2. Step 2: Convert to fraction form
    21,020.04/29,007.75 = 11,589.24/x
  3. Step 3: Cross multiply
    21,020.04x = 29,007.75 × 11,589.24
  4. Step 4: Simplify right side
    21,020.04x = 336,177,776.61
  5. Step 5: Solve for x
    x = 336,177,776.61/21,020.04
  6. Step 6: Final answer
    x = 15,993.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.