Home / 19,587.40-29,385.96-9,187

Finding the Fourth Proportional to 19,587.40, 29,385.96 and 9,187

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Solution

The fourth proportional to 19,587.40, 29,385.96 and 9,187 is: 13,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.40 : 29,385.96 = 9,187 : x
  2. Step 2: Convert to fraction form
    19,587.40/29,385.96 = 9,187/x
  3. Step 3: Cross multiply
    19,587.40x = 29,385.96 × 9,187
  4. Step 4: Simplify right side
    19,587.40x = 269,968,814.52
  5. Step 5: Solve for x
    x = 269,968,814.52/19,587.40
  6. Step 6: Final answer
    x = 13,782.78

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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.