Home / 11,742.36-17,613.78-4,812.60

Finding the Fourth Proportional to 11,742.36, 17,613.78 and 4,812.60

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Solution

The fourth proportional to 11,742.36, 17,613.78 and 4,812.60 is: 7,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.36 : 17,613.78 = 4,812.60 : x
  2. Step 2: Convert to fraction form
    11,742.36/17,613.78 = 4,812.60/x
  3. Step 3: Cross multiply
    11,742.36x = 17,613.78 × 4,812.60
  4. Step 4: Simplify right side
    11,742.36x = 84,768,077.63
  5. Step 5: Solve for x
    x = 84,768,077.63/11,742.36
  6. Step 6: Final answer
    x = 7,219.00

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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.