Home / 19,537.71-29,222.84-18,119.58

Finding the Fourth Proportional to 19,537.71, 29,222.84 and 18,119.58

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Solution

The fourth proportional to 19,537.71, 29,222.84 and 18,119.58 is: 27,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.71 : 29,222.84 = 18,119.58 : x
  2. Step 2: Convert to fraction form
    19,537.71/29,222.84 = 18,119.58/x
  3. Step 3: Cross multiply
    19,537.71x = 29,222.84 × 18,119.58
  4. Step 4: Simplify right side
    19,537.71x = 529,505,496.61
  5. Step 5: Solve for x
    x = 529,505,496.61/19,537.71
  6. Step 6: Final answer
    x = 27,101.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.