Home / 9,581.40-14,372.08-3,742.12

Finding the Fourth Proportional to 9,581.40, 14,372.08 and 3,742.12

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Solution

The fourth proportional to 9,581.40, 14,372.08 and 3,742.12 is: 5,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581.40 : 14,372.08 = 3,742.12 : x
  2. Step 2: Convert to fraction form
    9,581.40/14,372.08 = 3,742.12/x
  3. Step 3: Cross multiply
    9,581.40x = 14,372.08 × 3,742.12
  4. Step 4: Simplify right side
    9,581.40x = 53,782,048.01
  5. Step 5: Solve for x
    x = 53,782,048.01/9,581.40
  6. Step 6: Final answer
    x = 5,613.17

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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.