Home / 13,581.98-18,742.19-7,532.54

Finding the Fourth Proportional to 13,581.98, 18,742.19 and 7,532.54

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Solution

The fourth proportional to 13,581.98, 18,742.19 and 7,532.54 is: 10,394.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581.98 : 18,742.19 = 7,532.54 : x
  2. Step 2: Convert to fraction form
    13,581.98/18,742.19 = 7,532.54/x
  3. Step 3: Cross multiply
    13,581.98x = 18,742.19 × 7,532.54
  4. Step 4: Simplify right side
    13,581.98x = 141,176,361.55
  5. Step 5: Solve for x
    x = 141,176,361.55/13,581.98
  6. Step 6: Final answer
    x = 10,394.39

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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.