Home / 11,981.25-17,971.22-4,585.14

Finding the Fourth Proportional to 11,981.25, 17,971.22 and 4,585.14

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Solution

The fourth proportional to 11,981.25, 17,971.22 and 4,585.14 is: 6,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.25 : 17,971.22 = 4,585.14 : x
  2. Step 2: Convert to fraction form
    11,981.25/17,971.22 = 4,585.14/x
  3. Step 3: Cross multiply
    11,981.25x = 17,971.22 × 4,585.14
  4. Step 4: Simplify right side
    11,981.25x = 82,400,536.75
  5. Step 5: Solve for x
    x = 82,400,536.75/11,981.25
  6. Step 6: Final answer
    x = 6,877.46

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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.