Home / 13,325.82-19,991.61-4,560.91

Finding the Fourth Proportional to 13,325.82, 19,991.61 and 4,560.91

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Solution

The fourth proportional to 13,325.82, 19,991.61 and 4,560.91 is: 6,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.82 : 19,991.61 = 4,560.91 : x
  2. Step 2: Convert to fraction form
    13,325.82/19,991.61 = 4,560.91/x
  3. Step 3: Cross multiply
    13,325.82x = 19,991.61 × 4,560.91
  4. Step 4: Simplify right side
    13,325.82x = 91,179,883.99
  5. Step 5: Solve for x
    x = 91,179,883.99/13,325.82
  6. Step 6: Final answer
    x = 6,842.35

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1.5x scale

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.