Home / 13,558.82-20,337.62-3,698.15

Finding the Fourth Proportional to 13,558.82, 20,337.62 and 3,698.15

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Solution

The fourth proportional to 13,558.82, 20,337.62 and 3,698.15 is: 5,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.82 : 20,337.62 = 3,698.15 : x
  2. Step 2: Convert to fraction form
    13,558.82/20,337.62 = 3,698.15/x
  3. Step 3: Cross multiply
    13,558.82x = 20,337.62 × 3,698.15
  4. Step 4: Simplify right side
    13,558.82x = 75,211,449.22
  5. Step 5: Solve for x
    x = 75,211,449.22/13,558.82
  6. Step 6: Final answer
    x = 5,547.05

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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.