Home / 19,587.92-29,379.64-5,738.32

Finding the Fourth Proportional to 19,587.92, 29,379.64 and 5,738.32

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Solution

The fourth proportional to 19,587.92, 29,379.64 and 5,738.32 is: 8,606.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.92 : 29,379.64 = 5,738.32 : x
  2. Step 2: Convert to fraction form
    19,587.92/29,379.64 = 5,738.32/x
  3. Step 3: Cross multiply
    19,587.92x = 29,379.64 × 5,738.32
  4. Step 4: Simplify right side
    19,587.92x = 168,589,775.80
  5. Step 5: Solve for x
    x = 168,589,775.80/19,587.92
  6. Step 6: Final answer
    x = 8,606.82

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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.