Home / 13,325.76-19,982.94-4,561.56

Finding the Fourth Proportional to 13,325.76, 19,982.94 and 4,561.56

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Solution

The fourth proportional to 13,325.76, 19,982.94 and 4,561.56 is: 6,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.76 : 19,982.94 = 4,561.56 : x
  2. Step 2: Convert to fraction form
    13,325.76/19,982.94 = 4,561.56/x
  3. Step 3: Cross multiply
    13,325.76x = 19,982.94 × 4,561.56
  4. Step 4: Simplify right side
    13,325.76x = 91,153,379.79
  5. Step 5: Solve for x
    x = 91,153,379.79/13,325.76
  6. Step 6: Final answer
    x = 6,840.39

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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.