Home / 13,453.89-20,181.09-7,527.43

Finding the Fourth Proportional to 13,453.89, 20,181.09 and 7,527.43

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Solution

The fourth proportional to 13,453.89, 20,181.09 and 7,527.43 is: 11,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.89 : 20,181.09 = 7,527.43 : x
  2. Step 2: Convert to fraction form
    13,453.89/20,181.09 = 7,527.43/x
  3. Step 3: Cross multiply
    13,453.89x = 20,181.09 × 7,527.43
  4. Step 4: Simplify right side
    13,453.89x = 151,911,641.39
  5. Step 5: Solve for x
    x = 151,911,641.39/13,453.89
  6. Step 6: Final answer
    x = 11,291.28

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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.