Home / 21,763.24-30,032.84-14,195.21

Finding the Fourth Proportional to 21,763.24, 30,032.84 and 14,195.21

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Solution

The fourth proportional to 21,763.24, 30,032.84 and 14,195.21 is: 19,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.24 : 30,032.84 = 14,195.21 : x
  2. Step 2: Convert to fraction form
    21,763.24/30,032.84 = 14,195.21/x
  3. Step 3: Cross multiply
    21,763.24x = 30,032.84 × 14,195.21
  4. Step 4: Simplify right side
    21,763.24x = 426,322,356.02
  5. Step 5: Solve for x
    x = 426,322,356.02/21,763.24
  6. Step 6: Final answer
    x = 19,589.11

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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.