Home / 13,590.92-20,392.62-8,055.24

Finding the Fourth Proportional to 13,590.92, 20,392.62 and 8,055.24

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Solution

The fourth proportional to 13,590.92, 20,392.62 and 8,055.24 is: 12,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.92 : 20,392.62 = 8,055.24 : x
  2. Step 2: Convert to fraction form
    13,590.92/20,392.62 = 8,055.24/x
  3. Step 3: Cross multiply
    13,590.92x = 20,392.62 × 8,055.24
  4. Step 4: Simplify right side
    13,590.92x = 164,267,448.33
  5. Step 5: Solve for x
    x = 164,267,448.33/13,590.92
  6. Step 6: Final answer
    x = 12,086.56

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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.