Home / 13,241.04-18,272.94-7,272.83

Finding the Fourth Proportional to 13,241.04, 18,272.94 and 7,272.83

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Solution

The fourth proportional to 13,241.04, 18,272.94 and 7,272.83 is: 10,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.04 : 18,272.94 = 7,272.83 : x
  2. Step 2: Convert to fraction form
    13,241.04/18,272.94 = 7,272.83/x
  3. Step 3: Cross multiply
    13,241.04x = 18,272.94 × 7,272.83
  4. Step 4: Simplify right side
    13,241.04x = 132,895,986.22
  5. Step 5: Solve for x
    x = 132,895,986.22/13,241.04
  6. Step 6: Final answer
    x = 10,036.67

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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.