Home / 13,344.98-20,010.68-4,457.12

Finding the Fourth Proportional to 13,344.98, 20,010.68 and 4,457.12

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Solution

The fourth proportional to 13,344.98, 20,010.68 and 4,457.12 is: 6,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.98 : 20,010.68 = 4,457.12 : x
  2. Step 2: Convert to fraction form
    13,344.98/20,010.68 = 4,457.12/x
  3. Step 3: Cross multiply
    13,344.98x = 20,010.68 × 4,457.12
  4. Step 4: Simplify right side
    13,344.98x = 89,189,879.70
  5. Step 5: Solve for x
    x = 89,189,879.70/13,344.98
  6. Step 6: Final answer
    x = 6,683.41

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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.