Home / 14,762.75-20,329.04-13,190.27

Finding the Fourth Proportional to 14,762.75, 20,329.04 and 13,190.27

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Solution

The fourth proportional to 14,762.75, 20,329.04 and 13,190.27 is: 18,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.75 : 20,329.04 = 13,190.27 : x
  2. Step 2: Convert to fraction form
    14,762.75/20,329.04 = 13,190.27/x
  3. Step 3: Cross multiply
    14,762.75x = 20,329.04 × 13,190.27
  4. Step 4: Simplify right side
    14,762.75x = 268,145,457.77
  5. Step 5: Solve for x
    x = 268,145,457.77/14,762.75
  6. Step 6: Final answer
    x = 18,163.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.