Home / 11,987.18-17,969.16-4,585.94

Finding the Fourth Proportional to 11,987.18, 17,969.16 and 4,585.94

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Solution

The fourth proportional to 11,987.18, 17,969.16 and 4,585.94 is: 6,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.18 : 17,969.16 = 4,585.94 : x
  2. Step 2: Convert to fraction form
    11,987.18/17,969.16 = 4,585.94/x
  3. Step 3: Cross multiply
    11,987.18x = 17,969.16 × 4,585.94
  4. Step 4: Simplify right side
    11,987.18x = 82,405,489.61
  5. Step 5: Solve for x
    x = 82,405,489.61/11,987.18
  6. Step 6: Final answer
    x = 6,874.47

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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.