Home / 19,537.77-29,310.26-6,390.87

Finding the Fourth Proportional to 19,537.77, 29,310.26 and 6,390.87

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Solution

The fourth proportional to 19,537.77, 29,310.26 and 6,390.87 is: 9,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.77 : 29,310.26 = 6,390.87 : x
  2. Step 2: Convert to fraction form
    19,537.77/29,310.26 = 6,390.87/x
  3. Step 3: Cross multiply
    19,537.77x = 29,310.26 × 6,390.87
  4. Step 4: Simplify right side
    19,537.77x = 187,318,029.37
  5. Step 5: Solve for x
    x = 187,318,029.37/19,537.77
  6. Step 6: Final answer
    x = 9,587.48

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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.