Home / 19,455.02-29,135.76-11,109.75

Finding the Fourth Proportional to 19,455.02, 29,135.76 and 11,109.75

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Solution

The fourth proportional to 19,455.02, 29,135.76 and 11,109.75 is: 16,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.02 : 29,135.76 = 11,109.75 : x
  2. Step 2: Convert to fraction form
    19,455.02/29,135.76 = 11,109.75/x
  3. Step 3: Cross multiply
    19,455.02x = 29,135.76 × 11,109.75
  4. Step 4: Simplify right side
    19,455.02x = 323,691,009.66
  5. Step 5: Solve for x
    x = 323,691,009.66/19,455.02
  6. Step 6: Final answer
    x = 16,637.92

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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.