Home / 17,987.44-26,983.42-6,143.45

Finding the Fourth Proportional to 17,987.44, 26,983.42 and 6,143.45

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Solution

The fourth proportional to 17,987.44, 26,983.42 and 6,143.45 is: 9,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.44 : 26,983.42 = 6,143.45 : x
  2. Step 2: Convert to fraction form
    17,987.44/26,983.42 = 6,143.45/x
  3. Step 3: Cross multiply
    17,987.44x = 26,983.42 × 6,143.45
  4. Step 4: Simplify right side
    17,987.44x = 165,771,276.24
  5. Step 5: Solve for x
    x = 165,771,276.24/17,987.44
  6. Step 6: Final answer
    x = 9,215.95

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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.