Home / 13,155.18-19,733.98-3,795.08

Finding the Fourth Proportional to 13,155.18, 19,733.98 and 3,795.08

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Solution

The fourth proportional to 13,155.18, 19,733.98 and 3,795.08 is: 5,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.18 : 19,733.98 = 3,795.08 : x
  2. Step 2: Convert to fraction form
    13,155.18/19,733.98 = 3,795.08/x
  3. Step 3: Cross multiply
    13,155.18x = 19,733.98 × 3,795.08
  4. Step 4: Simplify right side
    13,155.18x = 74,892,032.82
  5. Step 5: Solve for x
    x = 74,892,032.82/13,155.18
  6. Step 6: Final answer
    x = 5,692.97

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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.