Home / 13,285.08-19,923.84-4,518

Finding the Fourth Proportional to 13,285.08, 19,923.84 and 4,518

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Solution

The fourth proportional to 13,285.08, 19,923.84 and 4,518 is: 6,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.08 : 19,923.84 = 4,518 : x
  2. Step 2: Convert to fraction form
    13,285.08/19,923.84 = 4,518/x
  3. Step 3: Cross multiply
    13,285.08x = 19,923.84 × 4,518
  4. Step 4: Simplify right side
    13,285.08x = 90,015,909.12
  5. Step 5: Solve for x
    x = 90,015,909.12/13,285.08
  6. Step 6: Final answer
    x = 6,775.71

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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.