Home / 19,555.73-29,327.80-8,459.75

Finding the Fourth Proportional to 19,555.73, 29,327.80 and 8,459.75

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Solution

The fourth proportional to 19,555.73, 29,327.80 and 8,459.75 is: 12,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.73 : 29,327.80 = 8,459.75 : x
  2. Step 2: Convert to fraction form
    19,555.73/29,327.80 = 8,459.75/x
  3. Step 3: Cross multiply
    19,555.73x = 29,327.80 × 8,459.75
  4. Step 4: Simplify right side
    19,555.73x = 248,105,856.05
  5. Step 5: Solve for x
    x = 248,105,856.05/19,555.73
  6. Step 6: Final answer
    x = 12,687.12

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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.