Home / 19,457.16-29,183.31-5,418.24

Finding the Fourth Proportional to 19,457.16, 29,183.31 and 5,418.24

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Solution

The fourth proportional to 19,457.16, 29,183.31 and 5,418.24 is: 8,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.16 : 29,183.31 = 5,418.24 : x
  2. Step 2: Convert to fraction form
    19,457.16/29,183.31 = 5,418.24/x
  3. Step 3: Cross multiply
    19,457.16x = 29,183.31 × 5,418.24
  4. Step 4: Simplify right side
    19,457.16x = 158,122,177.57
  5. Step 5: Solve for x
    x = 158,122,177.57/19,457.16
  6. Step 6: Final answer
    x = 8,126.68

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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.