Home / 13,173.67-18,197.42-10,539.91

Finding the Fourth Proportional to 13,173.67, 18,197.42 and 10,539.91

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Solution

The fourth proportional to 13,173.67, 18,197.42 and 10,539.91 is: 14,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.67 : 18,197.42 = 10,539.91 : x
  2. Step 2: Convert to fraction form
    13,173.67/18,197.42 = 10,539.91/x
  3. Step 3: Cross multiply
    13,173.67x = 18,197.42 × 10,539.91
  4. Step 4: Simplify right side
    13,173.67x = 191,799,169.03
  5. Step 5: Solve for x
    x = 191,799,169.03/13,173.67
  6. Step 6: Final answer
    x = 14,559.28

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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.