Home / 21,954.01-30,297.27-13,454.49

Finding the Fourth Proportional to 21,954.01, 30,297.27 and 13,454.49

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Solution

The fourth proportional to 21,954.01, 30,297.27 and 13,454.49 is: 18,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.01 : 30,297.27 = 13,454.49 : x
  2. Step 2: Convert to fraction form
    21,954.01/30,297.27 = 13,454.49/x
  3. Step 3: Cross multiply
    21,954.01x = 30,297.27 × 13,454.49
  4. Step 4: Simplify right side
    21,954.01x = 407,634,282.61
  5. Step 5: Solve for x
    x = 407,634,282.61/21,954.01
  6. Step 6: Final answer
    x = 18,567.65

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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.