Home / 11,618.64-17,430.66-3,827.52

Finding the Fourth Proportional to 11,618.64, 17,430.66 and 3,827.52

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Solution

The fourth proportional to 11,618.64, 17,430.66 and 3,827.52 is: 5,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.64 : 17,430.66 = 3,827.52 : x
  2. Step 2: Convert to fraction form
    11,618.64/17,430.66 = 3,827.52/x
  3. Step 3: Cross multiply
    11,618.64x = 17,430.66 × 3,827.52
  4. Step 4: Simplify right side
    11,618.64x = 66,716,199.76
  5. Step 5: Solve for x
    x = 66,716,199.76/11,618.64
  6. Step 6: Final answer
    x = 5,742.17

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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.