Home / 17,991.28-26,989.80-6,304.24

Finding the Fourth Proportional to 17,991.28, 26,989.80 and 6,304.24

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Solution

The fourth proportional to 17,991.28, 26,989.80 and 6,304.24 is: 9,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.28 : 26,989.80 = 6,304.24 : x
  2. Step 2: Convert to fraction form
    17,991.28/26,989.80 = 6,304.24/x
  3. Step 3: Cross multiply
    17,991.28x = 26,989.80 × 6,304.24
  4. Step 4: Simplify right side
    17,991.28x = 170,150,176.75
  5. Step 5: Solve for x
    x = 170,150,176.75/17,991.28
  6. Step 6: Final answer
    x = 9,457.37

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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.