Home / 17,670.20-26,519.90-7,289.24

Finding the Fourth Proportional to 17,670.20, 26,519.90 and 7,289.24

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Solution

The fourth proportional to 17,670.20, 26,519.90 and 7,289.24 is: 10,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670.20 : 26,519.90 = 7,289.24 : x
  2. Step 2: Convert to fraction form
    17,670.20/26,519.90 = 7,289.24/x
  3. Step 3: Cross multiply
    17,670.20x = 26,519.90 × 7,289.24
  4. Step 4: Simplify right side
    17,670.20x = 193,309,746.83
  5. Step 5: Solve for x
    x = 193,309,746.83/17,670.20
  6. Step 6: Final answer
    x = 10,939.88

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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.