Home / 13,497.60-20,246.40-3,637.86

Finding the Fourth Proportional to 13,497.60, 20,246.40 and 3,637.86

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Solution

The fourth proportional to 13,497.60, 20,246.40 and 3,637.86 is: 5,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.60 : 20,246.40 = 3,637.86 : x
  2. Step 2: Convert to fraction form
    13,497.60/20,246.40 = 3,637.86/x
  3. Step 3: Cross multiply
    13,497.60x = 20,246.40 × 3,637.86
  4. Step 4: Simplify right side
    13,497.60x = 73,653,568.70
  5. Step 5: Solve for x
    x = 73,653,568.70/13,497.60
  6. Step 6: Final answer
    x = 5,456.79

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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.