Home / 19,118.72-28,677.24-9,758.50

Finding the Fourth Proportional to 19,118.72, 28,677.24 and 9,758.50

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Solution

The fourth proportional to 19,118.72, 28,677.24 and 9,758.50 is: 14,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.72 : 28,677.24 = 9,758.50 : x
  2. Step 2: Convert to fraction form
    19,118.72/28,677.24 = 9,758.50/x
  3. Step 3: Cross multiply
    19,118.72x = 28,677.24 × 9,758.50
  4. Step 4: Simplify right side
    19,118.72x = 279,846,774.85
  5. Step 5: Solve for x
    x = 279,846,774.85/19,118.72
  6. Step 6: Final answer
    x = 14,637.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.