Home / 13,253.85-18,290.01-7,203.96

Finding the Fourth Proportional to 13,253.85, 18,290.01 and 7,203.96

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Solution

The fourth proportional to 13,253.85, 18,290.01 and 7,203.96 is: 9,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.85 : 18,290.01 = 7,203.96 : x
  2. Step 2: Convert to fraction form
    13,253.85/18,290.01 = 7,203.96/x
  3. Step 3: Cross multiply
    13,253.85x = 18,290.01 × 7,203.96
  4. Step 4: Simplify right side
    13,253.85x = 131,760,500.44
  5. Step 5: Solve for x
    x = 131,760,500.44/13,253.85
  6. Step 6: Final answer
    x = 9,941.30

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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.