Home / 11,388.20-17,083.74-4,461.80

Finding the Fourth Proportional to 11,388.20, 17,083.74 and 4,461.80

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Solution

The fourth proportional to 11,388.20, 17,083.74 and 4,461.80 is: 6,693.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.20 : 17,083.74 = 4,461.80 : x
  2. Step 2: Convert to fraction form
    11,388.20/17,083.74 = 4,461.80/x
  3. Step 3: Cross multiply
    11,388.20x = 17,083.74 × 4,461.80
  4. Step 4: Simplify right side
    11,388.20x = 76,224,145.71
  5. Step 5: Solve for x
    x = 76,224,145.71/11,388.20
  6. Step 6: Final answer
    x = 6,693.26

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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.