Home / 21,993.08-30,364.49-14,452.79

Finding the Fourth Proportional to 21,993.08, 30,364.49 and 14,452.79

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Solution

The fourth proportional to 21,993.08, 30,364.49 and 14,452.79 is: 19,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993.08 : 30,364.49 = 14,452.79 : x
  2. Step 2: Convert to fraction form
    21,993.08/30,364.49 = 14,452.79/x
  3. Step 3: Cross multiply
    21,993.08x = 30,364.49 × 14,452.79
  4. Step 4: Simplify right side
    21,993.08x = 438,851,525.16
  5. Step 5: Solve for x
    x = 438,851,525.16/21,993.08
  6. Step 6: Final answer
    x = 19,954.07

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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.