Home / 11,389.20-17,085.24-4,462.80

Finding the Fourth Proportional to 11,389.20, 17,085.24 and 4,462.80

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Solution

The fourth proportional to 11,389.20, 17,085.24 and 4,462.80 is: 6,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.20 : 17,085.24 = 4,462.80 : x
  2. Step 2: Convert to fraction form
    11,389.20/17,085.24 = 4,462.80/x
  3. Step 3: Cross multiply
    11,389.20x = 17,085.24 × 4,462.80
  4. Step 4: Simplify right side
    11,389.20x = 76,248,009.07
  5. Step 5: Solve for x
    x = 76,248,009.07/11,389.20
  6. Step 6: Final answer
    x = 6,694.76

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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.