Home / 13,369.37-20,073.77-7,457.81

Finding the Fourth Proportional to 13,369.37, 20,073.77 and 7,457.81

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Solution

The fourth proportional to 13,369.37, 20,073.77 and 7,457.81 is: 11,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.37 : 20,073.77 = 7,457.81 : x
  2. Step 2: Convert to fraction form
    13,369.37/20,073.77 = 7,457.81/x
  3. Step 3: Cross multiply
    13,369.37x = 20,073.77 × 7,457.81
  4. Step 4: Simplify right side
    13,369.37x = 149,706,362.64
  5. Step 5: Solve for x
    x = 149,706,362.64/13,369.37
  6. Step 6: Final answer
    x = 11,197.71

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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.