Home / 19,367.29-29,047.60-5,135.87

Finding the Fourth Proportional to 19,367.29, 29,047.60 and 5,135.87

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Solution

The fourth proportional to 19,367.29, 29,047.60 and 5,135.87 is: 7,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.29 : 29,047.60 = 5,135.87 : x
  2. Step 2: Convert to fraction form
    19,367.29/29,047.60 = 5,135.87/x
  3. Step 3: Cross multiply
    19,367.29x = 29,047.60 × 5,135.87
  4. Step 4: Simplify right side
    19,367.29x = 149,184,671.73
  5. Step 5: Solve for x
    x = 149,184,671.73/19,367.29
  6. Step 6: Final answer
    x = 7,702.92

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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.