Home / 13,382.03-20,073.05-5,586.59

Finding the Fourth Proportional to 13,382.03, 20,073.05 and 5,586.59

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Solution

The fourth proportional to 13,382.03, 20,073.05 and 5,586.59 is: 8,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.03 : 20,073.05 = 5,586.59 : x
  2. Step 2: Convert to fraction form
    13,382.03/20,073.05 = 5,586.59/x
  3. Step 3: Cross multiply
    13,382.03x = 20,073.05 × 5,586.59
  4. Step 4: Simplify right side
    13,382.03x = 112,139,872.47
  5. Step 5: Solve for x
    x = 112,139,872.47/13,382.03
  6. Step 6: Final answer
    x = 8,379.89

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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.