Home / 13,619.37-20,426.61-3,624.17

Finding the Fourth Proportional to 13,619.37, 20,426.61 and 3,624.17

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Solution

The fourth proportional to 13,619.37, 20,426.61 and 3,624.17 is: 5,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.37 : 20,426.61 = 3,624.17 : x
  2. Step 2: Convert to fraction form
    13,619.37/20,426.61 = 3,624.17/x
  3. Step 3: Cross multiply
    13,619.37x = 20,426.61 × 3,624.17
  4. Step 4: Simplify right side
    13,619.37x = 74,029,507.16
  5. Step 5: Solve for x
    x = 74,029,507.16/13,619.37
  6. Step 6: Final answer
    x = 5,435.60

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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.