Home / 19,537.58-29,310.02-6,390.66

Finding the Fourth Proportional to 19,537.58, 29,310.02 and 6,390.66

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Solution

The fourth proportional to 19,537.58, 29,310.02 and 6,390.66 is: 9,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.58 : 29,310.02 = 6,390.66 : x
  2. Step 2: Convert to fraction form
    19,537.58/29,310.02 = 6,390.66/x
  3. Step 3: Cross multiply
    19,537.58x = 29,310.02 × 6,390.66
  4. Step 4: Simplify right side
    19,537.58x = 187,310,340.46
  5. Step 5: Solve for x
    x = 187,310,340.46/19,537.58
  6. Step 6: Final answer
    x = 9,587.18

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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.