Home / 18,004.04-26,989.64-6,310.88

Finding the Fourth Proportional to 18,004.04, 26,989.64 and 6,310.88

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Solution

The fourth proportional to 18,004.04, 26,989.64 and 6,310.88 is: 9,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.04 : 26,989.64 = 6,310.88 : x
  2. Step 2: Convert to fraction form
    18,004.04/26,989.64 = 6,310.88/x
  3. Step 3: Cross multiply
    18,004.04x = 26,989.64 × 6,310.88
  4. Step 4: Simplify right side
    18,004.04x = 170,328,379.28
  5. Step 5: Solve for x
    x = 170,328,379.28/18,004.04
  6. Step 6: Final answer
    x = 9,460.56

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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.