Home / 21,020.44-29,008.40-11,589.34

Finding the Fourth Proportional to 21,020.44, 29,008.40 and 11,589.34

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Solution

The fourth proportional to 21,020.44, 29,008.40 and 11,589.34 is: 15,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020.44 : 29,008.40 = 11,589.34 : x
  2. Step 2: Convert to fraction form
    21,020.44/29,008.40 = 11,589.34/x
  3. Step 3: Cross multiply
    21,020.44x = 29,008.40 × 11,589.34
  4. Step 4: Simplify right side
    21,020.44x = 336,188,210.46
  5. Step 5: Solve for x
    x = 336,188,210.46/21,020.44
  6. Step 6: Final answer
    x = 15,993.40

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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.