Home / 19,390.21-29,047.24-12,796.27

Finding the Fourth Proportional to 19,390.21, 29,047.24 and 12,796.27

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Solution

The fourth proportional to 19,390.21, 29,047.24 and 12,796.27 is: 19,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.21 : 29,047.24 = 12,796.27 : x
  2. Step 2: Convert to fraction form
    19,390.21/29,047.24 = 12,796.27/x
  3. Step 3: Cross multiply
    19,390.21x = 29,047.24 × 12,796.27
  4. Step 4: Simplify right side
    19,390.21x = 371,696,325.79
  5. Step 5: Solve for x
    x = 371,696,325.79/19,390.21
  6. Step 6: Final answer
    x = 19,169.28

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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.