Home / 13,557.96-20,336.52-3,698.64

Finding the Fourth Proportional to 13,557.96, 20,336.52 and 3,698.64

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Solution

The fourth proportional to 13,557.96, 20,336.52 and 3,698.64 is: 5,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.96 : 20,336.52 = 3,698.64 : x
  2. Step 2: Convert to fraction form
    13,557.96/20,336.52 = 3,698.64/x
  3. Step 3: Cross multiply
    13,557.96x = 20,336.52 × 3,698.64
  4. Step 4: Simplify right side
    13,557.96x = 75,217,466.33
  5. Step 5: Solve for x
    x = 75,217,466.33/13,557.96
  6. Step 6: Final answer
    x = 5,547.85

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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.